fix: react to contact name (nickname) changes

the contact details are fetched imperatively in these popups (not via
model updates), so we need to setup a signal to be able to react to those
changes

ui/app/mainui/Popups.qml

@@ -362,6 +362,7 @@ QtObject {
                 onEditDone: {
                     if (nickname !== newNickname) {
                         rootStore.contactStore.changeContactNickname(publicKey, newNickname)
+                        Global.contactRenamed(publicKey)
                     }
                     close()
                 }

ui/app/mainui/activitycenter/views/ActivityNotificationMessage.qml

@@ -61,6 +61,15 @@ ActivityNotificationBase {
         }
     }
 
+    Connections {
+        target: Global
+
+        function onContactRenamed(pubKey) {
+            if (pubKey === root.contactId)
+                root.updateContactDetails()
+        }
+    }
+
     bodyComponent: MouseArea {
         implicitWidth: parent.width
         implicitHeight: messageView.implicitHeight

ui/imports/shared/views/ProfileDialogView.qml

@@ -122,6 +122,15 @@ Pane {
             }
         }
 
+        readonly property var conns4: Connections {
+            target: Global
+
+            function onContactRenamed(pubKey) {
+                if (pubKey === root.publicKey)
+                    d.reload()
+            }
+        }
+
         readonly property var timer: Timer {
             id: timer
         }

ui/imports/utils/Global.qml

@@ -41,6 +41,7 @@ QtObject {
     signal openInviteFriendsToCommunityPopup(var community, var communitySectionModule, var cb)
     signal openIncomingIDRequestPopup(string publicKey, var cb)
     signal openOutgoingIDRequestPopup(string publicKey, var cb)
+    signal contactRenamed(string publicKey)
 
     signal openLink(string link)