patch 8.2.1874: can't do something just before leaving Insert mode

Problem:    Can't do something just before leaving Insert mode.
Solution:   Add the InsertLeavePre autocommand event. (closes #7177)
diff --git a/src/edit.c b/src/edit.c
index e3e4624..14a21d9 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -3607,6 +3607,9 @@
 	undisplay_dollar();
     }
 
+    if (cmdchar != 'r' && cmdchar != 'v')
+	ins_apply_autocmds(EVENT_INSERTLEAVEPRE);
+
     // When an autoindent was removed, curswant stays after the
     // indent
     if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col)