patch 8.1.1189: mode is not cleared when leaving Insert mode

Problem:    Mode is not cleared when leaving Insert mode.
Solution:   Clear the mode when got_int is set. (Ozaki Kiichi, closes #4270)
diff --git a/src/edit.c b/src/edit.c
index d378cd1..43c8a8b 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -4564,7 +4564,7 @@
      */
     if (reg_recording != 0 || restart_edit != NUL)
 	showmode();
-    else if (p_smd && !skip_showmode())
+    else if (p_smd && (got_int || !skip_showmode()))
 	msg("");
 
     return TRUE;	    /* exit Insert mode */