[Web] Restrict rendering method selection

Currently only the compatibility method is supported, this ensures only
it can be selected.

Author: AThousandShips

main/main.cpp

@@ -2532,7 +2532,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 	default_renderer = renderer_hints.get_slicec(',', 0);
 	GLOBAL_DEF_RST_BASIC(PropertyInfo(Variant::STRING, "rendering/renderer/rendering_method", PROPERTY_HINT_ENUM, renderer_hints), default_renderer);
 	GLOBAL_DEF_RST_BASIC("rendering/renderer/rendering_method.mobile", default_renderer_mobile);
-	GLOBAL_DEF_RST_BASIC("rendering/renderer/rendering_method.web", "gl_compatibility"); // This is a bit of a hack until we have WebGPU support.
+	GLOBAL_DEF_RST_BASIC(PropertyInfo(Variant::STRING, "rendering/renderer/rendering_method.web", PROPERTY_HINT_ENUM, "gl_compatibility"), "gl_compatibility"); // This is a bit of a hack until we have WebGPU support.
 
 	// Default to ProjectSettings default if nothing set on the command line.
 	if (rendering_method.is_empty()) {