Fix gdscript multiline string nested highlighting

modules/gdscript/gdscript_editor.cpp

@@ -47,9 +47,9 @@ void GDScriptLanguage::get_comment_delimiters(List<String> *p_delimiters) const
 
 void GDScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const {
 
+	p_delimiters->push_back("\"\"\" \"\"\"");
 	p_delimiters->push_back("\" \"");
 	p_delimiters->push_back("' '");
-	p_delimiters->push_back("\"\"\" \"\"\"");
 }
 
 String GDScriptLanguage::_get_processed_template(const String &p_template, const String &p_base_class_name) const {