feat(HoldingsDropdown): Added no data information message

- Added default no data information message for assets and collectibles.
- Added specific no data information message for airdrop functionality.
- Hidden searcher when there is no data available.

Part of #9938

ui/app/AppLayouts/Chat/controls/community/ExtendedDropdownContent.qml

@@ -23,6 +23,7 @@ Item {
 
     property var checkedKeys: []
     property int type: ExtendedDropdownContent.Type.Assets
+    property string noDataText: qsTr("No data found")
 
     readonly property bool canGoBack: root.state !== d.depth1_ListState
 
@@ -81,6 +82,13 @@ Item {
         property url currentItemSource: ""
 
         readonly property bool searchMode: searcher.text.length > 0
+        readonly property bool availableData: {
+            if(root.type === ExtendedDropdownContent.Type.Assets && root.assetsModel && root.assetsModel.count > 0)
+                return true
+            if(root.type === ExtendedDropdownContent.Type.Collectibles && root.collectiblesModel && root.collectiblesModel.count > 0)
+                return true
+            return false
+        }
 
         onCurrentModelChanged: {
             // Workaround for a bug in SortFilterProxyModel causing that model
@@ -337,6 +345,7 @@ Item {
             Layout.fillWidth: true
             Layout.topMargin: root.state === d.depth1_ListState ? 0 : 8
 
+            visible: d.availableData
             topPadding: 0
             bottomPadding: 0
             minimumHeight: 36
@@ -388,6 +397,8 @@ Item {
         id: assetsListView
 
         ListDropdownContent {
+            availableData: d.availableData
+            noDataText: root.noDataText
             headerModel: ListModel {
                 ListElement { key: "MINT"; icon: "add"; iconSize: 16; description: qsTr("Mint asset"); rotation: 0; spacing: 8 }
                 ListElement { key: "IMPORT"; icon: "invite-users"; iconSize: 16; description: qsTr("Import existing asset"); rotation: 180; spacing: 8 }
@@ -414,6 +425,8 @@ Item {
         id: collectiblesListView
 
         ListDropdownContent {
+            availableData: d.availableData
+            noDataText: root.noDataText
             areHeaderButtonsVisible: root.state === d.depth1_ListState
             headerModel: ListModel {
                ListElement { key: "MINT"; icon: "add"; iconSize: 16; description: qsTr("Mint collectible"); rotation: 0; spacing: 8 }

ui/app/AppLayouts/Chat/controls/community/HoldingsDropdown.qml

@@ -17,6 +17,13 @@ StatusDropdown {
     property var collectiblesModel
     property bool isENSTab: true
     property bool isCollectiblesOnly: false
+    property string noDataText: {
+        if(d.currentHoldingType  ===  HoldingTypes.Type.Asset)
+            return qsTr("No assets found")
+        if(d.currentHoldingType === HoldingTypes.Type.Collectible)
+            return qsTr("No collectibles found")
+        return qsTr("No data found")
+    }
 
     property var usedTokens: []
     property var usedEnsNames: []
@@ -244,6 +251,7 @@ StatusDropdown {
 
             assetsModel: root.assetsModel
             collectiblesModel: root.collectiblesModel
+            noDataText: root.noDataText
 
             checkedKeys: root.usedTokens.map(entry => entry.key)
             type: d.extendedDropdownType

ui/app/AppLayouts/Chat/controls/community/ListDropdownContent.qml

@@ -8,6 +8,7 @@ import StatusQ.Core.Theme 0.1
 import StatusQ.Controls 0.1
 import StatusQ.Components 0.1
 
+import utils 1.0
 
 StatusListView {
     id: root
@@ -17,6 +18,8 @@ StatusListView {
     property var headerModel
     property bool areHeaderButtonsVisible: true
     property bool searchMode: false
+    property bool availableData: false
+    property string noDataText: qsTr("No data found")
 
     property int maxHeight: 381 // default by design
 
@@ -72,7 +75,7 @@ StatusListView {
             Layout.preferredHeight: visible ? d.sectionHeight : 0
             Layout.fillWidth: true
 
-            visible: root.searchMode
+            visible: !root.availableData || root.searchMode
             sourceComponent: sectionComponent
         }
     }
@@ -122,18 +125,25 @@ StatusListView {
         Item {
             id: sectionDelegateRoot
 
-            property string section: root.count ?
-                                         qsTr("Search result") :
-                                         qsTr("No results")
+            property string section: {
+                if(!root.availableData)
+                    return root.noDataText
+                if(root.count)
+                    return qsTr("Search result")
+                return qsTr("No results")
+            }
 
             StatusBaseText {
-                anchors.leftMargin: 8
+                anchors.leftMargin: Style.current.halfPadding
                 anchors.left: parent.left
                 anchors.verticalCenter: parent.verticalCenter
+                width: parent.width
                 text: sectionDelegateRoot.section
                 color: Theme.palette.baseColor1
                 font.pixelSize: 12
                 elide: Text.ElideRight
+                wrapMode: Text.WordWrap
+                lineHeight: 1.2
             }
         }
     }

ui/app/AppLayouts/Chat/views/communities/CommunityNewAirdropView.qml

@@ -78,6 +78,7 @@ StatusScrollView {
                 collectiblesModel: root.collectiblesModel
                 isENSTab: false
                 isCollectiblesOnly: true
+                noDataText: qsTr("First you need to mint or import a collectible before you can perform an airdrop")
 
                 function addItem(type, item, amount) {
                     const key = item.key