fedimbed: fix where its actually crashing and also slight optimization

src/modules/fedimbed.js

@@ -724,10 +724,15 @@ events.add("messageCreate", "fedimbed", async function (msg) {
         .trim()
         .replace("@\u200b", "@")
         .replace("@%E2%80%8B", "@");
+      let urlObj;
+      try {
+        urlObj = new URL(url);
+      } catch {
+        // noop
+      }
       for (const service of Object.keys(PATH_REGEX)) {
         const regex = PATH_REGEX[service];
-        const urlObj = new URL(url);
-        if (regex.test(urlObj.pathname)) {
+        if (urlObj && regex.test(urlObj.pathname)) {
           logger.verbose(
             "fedimbed",
             `Hit "${service}" for "${url}", processing now.`