LibWeb/SVG: Process script element when its text content changes

Author: https://github.com/tcl3
Commit: a187d5f28f
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3703
Reviewed-by: https://github.com/awesomekling ✅

Libraries/LibWeb/HTML/Parser/HTMLParser.cpp

@@ -4308,6 +4308,7 @@ void HTMLParser::process_using_the_rules_for_foreign_content(HTMLToken& token)
 
         // If the active speculative HTML parser is null and the user agent supports SVG, then Process the SVG script element according to the SVG rules. [SVG]
         // FIXME: If the active speculative HTML parser is null
+        script_element.set_parser_inserted({});
         script_element.process_the_script_element();
 
         // Decrement the parser's script nesting level by one.