vim-patch:9.0.1428: cursor in wrong position when leaving insert mode (#22786)

Problem:    Cursor in wrong position when leaving insert mode.
Solution:   Update the w_valid flags.  Position the cursor also when not
            redrawing. (closes vim/vim#12137)

c174c2e58c

Co-authored-by: Bram Moolenaar <Bram@vim.org>

src/nvim/edit.c

@@ -3457,6 +3457,7 @@ static bool ins_esc(long *count, int cmdchar, bool nomove)
       }
     } else {
       curwin->w_cursor.col--;
+      curwin->w_valid &= ~(VALID_WCOL|VALID_VIRTCOL);
       // Correct cursor for multi-byte character.
       mb_adjust_cursor();
     }

src/nvim/normal.c

@@ -1377,6 +1377,7 @@ static int normal_check(VimState *state)
   // update cursor and redraw.
   if (skip_redraw || exmode_active) {
     skip_redraw = false;
+    setcursor();
   } else if (do_redraw || stuff_empty()) {
     // Ensure curwin->w_topline and curwin->w_leftcol are up to date
     // before triggering a WinScrolled autocommand.