fix(CreateChatView): enable mentioning people selected in create chat

Fixes #8749

I couldn't fully test it because it needs #8991 to be fixed to see if the message is sent correctly

ui/app/AppLayouts/Chat/views/ContactsColumnView.qml

@@ -67,10 +67,10 @@ Item {
                 Layout.alignment: Qt.AlignVCenter
                 icon.name: "public-chat"
                 icon.color: Theme.palette.directColor1
-                icon.height: editBtn.icon.height
-                icon.width: editBtn.icon.width
-                implicitWidth: editBtn.implicitWidth
-                implicitHeight: editBtn.implicitHeight
+                icon.height: startChatButton.icon.height
+                icon.width: startChatButton.icon.width
+                implicitWidth: startChatButton.implicitWidth
+                implicitHeight: startChatButton.implicitHeight
                 type: StatusRoundButton.Type.Tertiary
 
                 onClicked: Global.openPopup(publicChatPopupComponent)
@@ -84,7 +84,7 @@ Item {
             }
 
             StatusIconTabButton {
-                id: editBtn
+                id: startChatButton
                 Layout.alignment: Qt.AlignVCenter
                 objectName: "startChatButton"
                 icon.name: "edit"

ui/app/AppLayouts/Chat/views/CreateChatView.qml

@@ -156,6 +156,9 @@ Page {
                 emojiPopup: root.emojiPopup
                 stickersPopup: root.stickersPopup
                 closeGifPopupAfterSelection: true
+                usersStore: ({
+                    usersModel: membersSelector.model
+                })
                 onSendTransactionCommandButtonClicked: {
                     root.rootStore.createChatStartSendTransactionProcess = true;
                     membersSelector.createChat();