patch 8.2.0747: cannot forcefully close all popups

Problem:    Cannot forcefully close all popups.
Solution:   Add the "force" argument to popup_clear().  Use it after running a
            test.  Put back the check for a popup when editing a file.

src/tag.c

@@ -3684,7 +3684,7 @@ jumpto_tag(
 
 	    if (win_valid(curwin_save))
 		win_enter(curwin_save, TRUE);
-	    popup_close(wp->w_id);
+	    popup_close(wp->w_id, FALSE);
 	}
 #endif
     }