Fix qml warnings

imports/NeoChat/Component/ChatBox/ChatBox.qml

@@ -61,6 +61,10 @@ Item {
     QQC2.Pane {
         id: connectionPane
         padding: fontMetrics.lineSpacing * 0.25
+        FontMetrics {
+            id: fontMetrics
+            font: networkLabel.font
+        }
         spacing: 0
         Kirigami.Theme.colorSet: Kirigami.Theme.View
         background: Rectangle {
@@ -69,6 +73,7 @@ Item {
         visible: !Controller.isOnline
         width: parent.width
         QQC2.Label {
+            id: networkLabel
             text: i18n("NeoChat is offline. Please check your network connection.")
         }
         anchors.bottom: emojiPickerLoaderSeparator.top

imports/NeoChat/Page/RoomPage.qml

@@ -143,9 +143,9 @@ Kirigami.ScrollablePage {
 
     Item {
         id: hoverActions
-        property var event
+        property var event: null
         property bool showEdit: event && (event.author.id === Controller.activeConnection.localUserId && (event.eventType === "emote" || event.eventType === "message"))
-        property var bubble
+        property var bubble: null
         property var hovered: bubble && bubble.hovered
         property var visibleDelayed: (hovered || hoverHandler.hovered) && !Kirigami.Settings.isMobile
         onVisibleDelayedChanged: if (visibleDelayed) {