launch: Focus next window if top-to-focus is already top

When bringing a couple of windows to front, and the thought-out topmost
of those already is the topmost window, then we skip focusing that window.

kupfer/launch.py

@@ -266,6 +266,9 @@ def normal_window(window):
 		if (cur_wspc_windows and 
 		    set(vis_windows[-len(cur_wspc_windows):]) != set(cur_wspc_windows)):
 			focus_windows = cur_wspc_windows
+			## if the topmost window is already active, take another
+			if focus_windows[-1:] == vis_windows[-1:]:
+				focus_windows[:] = focus_windows[:-1]
 		else:
 			# all windows are focused, find on next workspace
 			for wspc in all_workspaces[1:]: