Fix TextEdit::gutters_width (total gutter width) when adding & removing a gutter by calling TextEdit::_update_gutter_width in TextEdit::add_gutter & TextEdit::remove_gutter

Update TextEdit gutters subcase, gutter add and remove to ensure gutter total width is correct

Fix test_code_edit symbol lookup test case to include padding (+2)

1 files changed, 6 insertions, 0 deletions

diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 097eb1fd95..bd45222b19 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -4786,6 +4786,9 @@ void TextEdit::add_gutter(int p_at) {
 	}
 
 	text.add_gutter(p_at);
+
+	_update_gutter_width();
+
 	emit_signal(SNAME("gutter_added"));
 	update();
 }
@@ -4796,6 +4799,9 @@ void TextEdit::remove_gutter(int p_gutter) {
 	gutters.remove_at(p_gutter);
 
 	text.remove_gutter(p_gutter);
+
+	_update_gutter_width();
+
 	emit_signal(SNAME("gutter_removed"));
 	update();
 }