Separate MessageDelegateContextMenu to its own base component

This is the first step in separation, so we can focus more on the
actions in this menu, and it's not tangled up in how the context menu is
shown and displayed.

src/qml/FileDelegateContextMenu.qml

@@ -16,9 +16,9 @@ import org.kde.neochat.config
  * This component just overloads the actions and nested actions of the base menu
  * to what is required for a media item.
  *
- * @sa MessageDelegateContextMenu
+ * @sa DelegateContextMenu
  */
-MessageDelegateContextMenu {
+DelegateContextMenu {
     id: root
 
     /**
@@ -55,15 +55,7 @@ MessageDelegateContextMenu {
                 dialog.currentFile = dialog.folder + "/" + currentRoom.fileNameToDownload(eventId);
             }
         },
-        Kirigami.Action {
-            text: i18n("Reply")
-            icon.name: "mail-replied-symbolic"
-            onTriggered: {
-                currentRoom.mainCache.replyId = eventId;
-                currentRoom.editCache.editId = "";
-                RoomManager.requestFullScreenClose();
-            }
-        },
+        DelegateContextMenu.ReplyMessageAction {},
         Kirigami.Action {
             text: i18n("Copy")
             icon.name: "edit-copy"
@@ -100,7 +92,9 @@ MessageDelegateContextMenu {
             text: i18n("View Source")
             icon.name: "code-context"
             onTriggered: RoomManager.viewEventSource(root.eventId)
-        }
+        },
+        DelegateContextMenu.ReportMessageAction {},
+        DelegateContextMenu.ViewSourceAction {}
     ]
 
     /**