Rework ActionsHandler

Rework ActionsHandler as static helper functions.

The functions are now invoked from ChatBarCache so there is no need to pass an actions handler object around qml simplifying the code.

src/timeline/Bubble.qml

@@ -51,14 +51,6 @@ QQC2.Control {
      */
     required property var contentModel
 
-    /**
-     * @brief The ActionsHandler object to use.
-     *
-     * This is expected to have the correct room set otherwise messages will be sent
-     * to the wrong room.
-     */
-    property ActionsHandler actionsHandler
-
     /**
      * @brief Whether the bubble background should be shown.
      */
@@ -107,7 +99,6 @@ QQC2.Control {
                 delegate: MessageComponentChooser {
                     room: root.room
                     index: root.index
-                    actionsHandler: root.actionsHandler
                     timeline: root.timeline
                     maxContentWidth: root.maxContentWidth
 

src/timeline/ChatBarComponent.qml

@@ -27,14 +27,6 @@ QQC2.TextArea {
     required property ChatBarCache chatBarCache
     onChatBarCacheChanged: documentHandler.chatBarCache = chatBarCache
 
-    /**
-     * @brief The ActionsHandler object to use.
-     *
-     * This is expected to have the correct room set otherwise messages will be sent
-     * to the wrong room.
-     */
-    required property ActionsHandler actionsHandler
-
     /**
      * @brief The maximum width that the bubble's content can be.
      */
@@ -177,7 +169,7 @@ QQC2.TextArea {
         }
 
         function post() {
-            root.actionsHandler.handleMessageEvent(root.chatBarCache);
+            root.chatBarCache.postMessage();
             root.clear();
             root.chatBarCache.clearRelations();
         }

src/timeline/MessageComponentChooser.qml

@@ -22,14 +22,6 @@ DelegateChooser {
      */
     required property var index
 
-    /**
-     * @brief The ActionsHandler object to use.
-     *
-     * This is expected to have the correct room set otherwise messages will be sent
-     * to the wrong room.
-     */
-    required property ActionsHandler actionsHandler
-
     /**
      * @brief The timeline ListView this component is being used in.
      */
@@ -208,7 +200,6 @@ DelegateChooser {
         roleValue: MessageComponentType.ChatBar
         delegate: ChatBarComponent {
             room: root.room
-            actionsHandler: root.actionsHandler
             maxContentWidth: root.maxContentWidth
         }
     }

src/timeline/MessageDelegate.qml

@@ -295,7 +295,6 @@ TimelineDelegate {
                 } else {
                    return root.contentModel;
                 }
-                actionsHandler: root.ListView.view?.actionsHandler ?? null
                 timeline: root.ListView.view
 
                 showHighlight: root.showHighlight