Add "Copy Link Address" context menu

Allows copying just the link address of a hyperlink.

src/qml/DelegateContextMenu.qml

@@ -57,6 +57,11 @@ Loader {
      */
     property string selectedText: ""
 
+    /**
+     * @brief The link the user has currently hovered.
+     */
+    property string hoveredLink: ""
+
     /**
      * @brief The list of menu item actions that have sub-actions.
      *

src/qml/MessageDelegateContextMenu.qml

@@ -63,6 +63,12 @@ DelegateContextMenu {
             separator: true
         },
         DelegateContextMenu.RemoveMessageAction {},
+        Kirigami.Action {
+            text: i18nc("@action:inmenu", "Copy Link Address")
+            icon.name: "edit-copy"
+            visible: root.hoveredLink.length > 0
+            onTriggered: Clipboard.saveText(root.hoveredLink)
+        },
         Kirigami.Action {
             text: i18nc("@action:inmenu", "Copy Text")
             icon.name: "edit-copy"

src/qml/RoomPage.qml

@@ -245,9 +245,10 @@ Kirigami.Page {
             });
         }
 
-        function onShowMessageMenu(eventId, author, messageComponentType, plainText, htmlText, selectedText, isThread) {
+        function onShowMessageMenu(eventId, author, messageComponentType, plainText, htmlText, selectedText, hoveredLink, isThread) {
             const contextMenu = messageDelegateContextMenu.createObject(root, {
                 selectedText: selectedText,
+                hoveredLink: hoveredLink,
                 author: author,
                 eventId: eventId,
                 messageComponentType: messageComponentType,