patch 8.2.1769: popup filter interferes with using :normal to move the cursor

Problem:    A popup filter interferes with using :normal to move the cursor in
            a popup.
Solution:   Do not invoke the filter when ex_normal_busy is set.
diff --git a/src/globals.h b/src/globals.h
index eb33507..4ca3092 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1150,12 +1150,9 @@
 		    = {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
 #endif
 		    ;
-EXTERN int	ex_normal_busy INIT(= 0); // recursiveness of ex_normal()
-EXTERN int	ex_normal_lock INIT(= 0); // forbid use of ex_normal()
-#ifdef FEAT_PROP_POPUP
-// Set to TRUE when ex_normal_busy is set and out of typeahead.
-EXTERN int	ex_normal_busy_done INIT(= FALSE);
-#endif
+EXTERN int	ex_normal_busy INIT(= 0);   // recursiveness of ex_normal()
+EXTERN int	in_feedkeys INIT(= 0);	    // ex_normal_busy set in feedkeys()
+EXTERN int	ex_normal_lock INIT(= 0);   // forbid use of ex_normal()
 
 #ifdef FEAT_EVAL
 EXTERN int	ignore_script INIT(= FALSE);  // ignore script input