Makes script editor not draw non existent spaces.

Fixes #44775 Editor is incorrectly drawing non existent space.

scene/gui/text_edit.cpp

@@ -1285,8 +1285,7 @@ void TextEdit::_notification(int p_what) {
 						if (draw_tabs && ((glyphs[j].flags & TextServer::GRAPHEME_IS_TAB) == TextServer::GRAPHEME_IS_TAB)) {
 							int yofs = (text_height - cache.tab_icon->get_height()) / 2 - ldata->get_line_ascent(line_wrap_index);
 							cache.tab_icon->draw(ci, Point2(char_ofs + char_margin + ofs_x, ofs_y + yofs), current_color);
-						}
-						if (draw_spaces && ((glyphs[j].flags & TextServer::GRAPHEME_IS_SPACE) == TextServer::GRAPHEME_IS_SPACE)) {
+						} else if (draw_spaces && ((glyphs[j].flags & TextServer::GRAPHEME_IS_SPACE) == TextServer::GRAPHEME_IS_SPACE)) {
 							int yofs = (text_height - cache.space_icon->get_height()) / 2 - ldata->get_line_ascent(line_wrap_index);
 							int xofs = (glyphs[j].advance * glyphs[j].repeat - cache.space_icon->get_width()) / 2;
 							cache.space_icon->draw(ci, Point2(char_ofs + char_margin + ofs_x + xofs, ofs_y + yofs), current_color);