[gtk/blink-assertion] Remove an assertion that we hit

[Matthias Clasen <matthiasc src gnome org>]

commit b3e65bfdc10fa9ac1a5763084106f7eda520876f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 23 08:28:00 2022 -0400

    Remove an assertion that we hit
    
    It appears that we mess up accounting for blinking
    cursors sometimes, and can hit blink_cb when there
    is a nonempty selection.
    
    Instead of asserting, warn and stop blinking.
    
    Related: #4767

 gtk/gtktext.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtktext.c b/gtk/gtktext.c
index 6bbb6b3098..92903949fe 100644
--- a/gtk/gtktext.c
+++ b/gtk/gtktext.c
@@ -6535,7 +6535,13 @@ blink_cb (GtkWidget     *widget,
       return G_SOURCE_REMOVE;
     }
 
-  g_assert (priv->selection_bound == priv->current_pos);
+  if (priv->selection_bound != priv->current_pos)
+    {
+      g_warning ("GtkText - unexpected blinking selection. Removing");
+
+      gtk_text_check_cursor_blink (self);
+      return G_SOURCE_REMOVE;
+    }
 
   blink_timeout = get_cursor_blink_timeout (self);
   blink_time = get_cursor_time (self);