fix(nuxt): Only wrap .mjs entry files in rollup (getsentry#14060)

fixes getsentry#14057 `@nuxt/content` adds entry files to rollup. This fix adds a check for `.mjs` to ignore other files in the rollup plugin.

Author: s1gr1d

packages/nuxt/src/vite/addServerConfig.ts

@@ -120,7 +120,7 @@ function wrapEntryWithDynamicImport(resolvedSentryConfigPath: string): InputPlug
  return { id: source, moduleSideEffects: true, external: true };
  }
 
- if (options.isEntry && !source.includes(`.mjs${SENTRY_WRAPPED_ENTRY}`)) {
+ if (options.isEntry && source.includes('.mjs') && !source.includes(`.mjs${SENTRY_WRAPPED_ENTRY}`)) {
  const resolution = await this.resolve(source, importer, options);
 
  // If it cannot be resolved or is external, just return it so that Rollup can display an error