patch 9.0.1852: i_CTRL-O does not reset Select Mode

Problem:  i_CTRL-O does not reset Select Mode
Solution: Reset select mode on CTRL-O in insert mode

closes: #13001
closes: #12115

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/edit.c b/src/edit.c
index 0c902f8..a515425 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -3859,6 +3859,7 @@
     static void
 ins_ctrl_o(void)
 {
+    restart_VIsual_select = 0;
     if (State & VREPLACE_FLAG)
 	restart_edit = 'V';
     else if (State & REPLACE_FLAG)