Make it so that the menus for individual thread messages can be accessed

This is mostly just for text type messages at the moment but give the framework so that when other message types can be sent in threads they can be added easily

src/timeline/QuoteComponent.qml

@@ -12,6 +12,20 @@ import org.kde.neochat
 QQC2.Control {
     id: root
 
+    /**
+     * @brief The matrix ID of the message event.
+     */
+    required property string eventId
+
+    /**
+     * @brief The message author.
+     *
+     * A Quotient::RoomMember object.
+     *
+     * @sa Quotient::RoomMember
+     */
+    required property NeochatRoomMember author
+
     /**
      * @brief The display text of the message.
      */
@@ -22,11 +36,6 @@ QQC2.Control {
      */
     signal selectedTextChanged(string selectedText)
 
-    /**
-     * @brief Request a context menu be show for the message.
-     */
-    signal showMessageMenu
-
     Layout.fillWidth: true
     Layout.fillHeight: true
     Layout.maximumWidth: Message.maxContentWidth
@@ -54,7 +63,7 @@ QQC2.Control {
             enabled: !quoteText.hoveredLink
             acceptedDevices: PointerDevice.TouchScreen
             acceptedButtons: Qt.LeftButton
-            onLongPressed: root.showMessageMenu()
+            onLongPressed: RoomManager.viewEventMenu(root.eventId, root.Message.room, root.author, root.Message.selectedText, root.Message.hoveredLink);
         }
     }