Add ellipses to "Remove" message action

This doesn't apply instantly, it opens a dialog to confirm with you and
optionally add a message. According to the HIG (and just a good idea in
general) it should be marked with ellipses.

src/qml/FileDelegateContextMenu.qml

@@ -71,7 +71,7 @@ DelegateContextMenu {
 
     Kirigami.Action {
         visible: author.id === currentRoom.localMember.id || currentRoom.canSendState("redact")
-        text: i18n("Remove")
+        text: i18n("Remove…")
         icon.name: "edit-delete-remove"
         icon.color: "red"
         onTriggered: {