fix(@wallet): Collection without assets

fixes #3808

In some cases, the opensea API return collection for an owner without
assets, we handle this case in the UI

ui/app/AppLayouts/Wallet/views/collectibles/CollectibleCollectionView.qml

@@ -4,6 +4,7 @@ import QtGraphicalEffects 1.13
 
 import StatusQ.Components 0.1
 import StatusQ.Core.Theme 0.1
+import shared.panels 1.0
 
 import "../../stores"
 
@@ -31,7 +32,15 @@ Item {
         anchors.top: parent.top
         anchors.topMargin: 16
         anchors.horizontalCenter: parent.horizontalCenter
-        sourceComponent: root.collectiblesLoaded ? loaded : loading
+        sourceComponent: {
+            if (!root.collectiblesLoaded) {
+                return loading
+            }
+            if (RootStore.getCollectionCollectiblesList(root.slug).count == 0) {
+                return empty
+            }
+            return loaded
+        }
     }
 
     Component {
@@ -49,6 +58,22 @@ Item {
         }
     }
 
+    Component {
+        id: empty
+        
+        Item {
+            id: emptyContainer
+            height: 164
+            StyledText {
+                anchors.verticalCenter: parent.verticalCenter
+                anchors.horizontalCenter: parent.horizontalCenter
+                color: Style.current.secondaryText
+                text: qsTr("No collectibles available")
+                font.pixelSize: 15
+            }
+        }
+    }
+
     Component {
         id: loaded