Add missing copy menu item for messages, fixes #6036

Author: ismailgulek

Riot/Modules/Room/RoomViewController.m

@@ -3485,9 +3485,7 @@ - (void)showAdditionalActionsMenuForEvent:(MXEvent*)selectedEvent inCell:(id<MXK
 
     MXWeakify(self);
 
-    BOOL showThreadOption = RiotSettings.shared.enableThreads
-    && !self.roomDataSource.threadId
-    && !selectedEvent.threadId;
+    BOOL showThreadOption = [self showThreadOptionForEvent:selectedEvent];
     if (showThreadOption && [self canCopyEvent:selectedEvent andCell:cell])
     {
         [self.eventMenuBuilder addItemWithType:EventMenuItemTypeCopy
@@ -6417,7 +6415,7 @@ - (void)removeMXSessionStateChangeNotificationsListener
 
     BOOL showMoreOption = (event.isState && RiotSettings.shared.roomContextualMenuShowMoreOptionForStates)
         || (!event.isState && RiotSettings.shared.roomContextualMenuShowMoreOptionForMessages);
-    BOOL showThreadOption = !self.roomDataSource.threadId && !event.threadId;
+    BOOL showThreadOption = [self showThreadOptionForEvent:event];
 
     NSMutableArray<RoomContextualMenuItem*> *items = [NSMutableArray arrayWithCapacity:5];
 
@@ -6808,6 +6806,13 @@ - (RoomContextualMenuItem *)moreMenuItemWithEvent:(MXEvent*)event andCell:(id<MX
 
 #pragma mark - Threads
 
+- (BOOL)showThreadOptionForEvent:(MXEvent*)event
+{
+    return !self.roomDataSource.threadId
+        && !event.threadId
+        && (RiotSettings.shared.enableThreads || self.mainSession.store.supportedMatrixVersions.supportsThreads);
+}
+
 - (void)showThreadsNotice
 {
     if (!self.threadsNoticeModalPresenter)