(errorhandling) ignore loading errors for ad and gtm scripts

most of the time these are CORS errors which need separate investigation
but as these errors are quite common, they keep coming in sentry

layouts/default.vue

@@ -40,6 +40,7 @@ import dark from '../plugins/dark.ts';
 import sorter from 'avris-sorter';
 import { sleep } from '../src/helpers.ts';
 import md5 from 'js-md5';
+import { LoadScriptError } from '../src/errors.ts';
 import type { default as dialogueBox, DialogueMessage } from '../components/DialogueBox.vue';
 import type { Color } from '../src/bootstrap.ts';
 
@@ -217,14 +218,28 @@ export default dark.extend({
                 return;
             }
 
-            await this.$loadScript('publift', 'https://cdn.fuseplatform.net/publift/tags/2/3329/fuse.js');
+            try {
+                await this.$loadScript('publift', 'https://cdn.fuseplatform.net/publift/tags/2/3329/fuse.js');
+            } catch (error) {
+                if (error instanceof LoadScriptError) {
+                    return;
+                }
+                throw error;
+            }
         },
         async loadGTM(): Promise<void> {
             if (!this.adsEnabled) {
                 return;
             }
 
-            await this.$loadScript('gtm', 'https://www.googletagmanager.com/gtag/js?id=G-TDJEP12Q3M');
+            try {
+                await this.$loadScript('gtm', 'https://www.googletagmanager.com/gtag/js?id=G-TDJEP12Q3M');
+            } catch (error) {
+                if (error instanceof LoadScriptError) {
+                    return;
+                }
+                throw error;
+            }
 
             window.dataLayer = window.dataLayer || [];
             function gtag(..._args: unknown[]): void {

plugins/globals.ts

@@ -11,6 +11,7 @@ import type { RootState } from '../store/index.ts';
 
 import translations from '../data/translations.suml';
 import baseTranslations from '../locale/_base/translations.suml';
+import { LoadScriptError } from '../src/errors.ts';
 
 declare global {
     interface Window {
@@ -96,7 +97,7 @@ export default ({ app, store }: { app: Vue, store: Store<RootState> }): void =>
             script.crossOrigin = 'true';
             script.addEventListener('load', () => resolve());
             script.addEventListener('error', (event) => {
-                reject(new Error(`failed to load ${name} (${src}): ${typeof event === 'string' ? event : event.type}`));
+                reject(new LoadScriptError(name, src, typeof event === 'string' ? event : event.type));
             });
             document.body.appendChild(script);
         });

src/errors.ts

@@ -0,0 +1,6 @@
+export class LoadScriptError extends Error {
+    constructor(scriptName: string, src: string, type: string) {
+        super(`failed to load ${scriptName} (${src}): ${type}`);
+        this.name = this.constructor.name;
+    }
+}