chore: disable outline, copilot and hello world plugin (#4894)

packages/common/env/src/global.ts

@@ -16,6 +16,7 @@ export const blockSuiteFeatureFlags = z.object({
 
 export const runtimeFlagsSchema = z.object({
   enablePlugin: z.boolean(),
+  builtinPlugins: z.array(z.string()),
   enableTestProperties: z.boolean(),
   enableBroadcastChannelProvider: z.boolean(),
   enableDebugPage: z.boolean(),

packages/common/infra/src/__internal__/plugin.ts

@@ -6,13 +6,7 @@ import type { z } from 'zod';
 
 import type { packageJsonOutputSchema } from '../type.js';
 
-export const builtinPluginPaths = new Set([
-  '/plugins/copilot',
-  '/plugins/hello-world',
-  '/plugins/image-preview',
-  '/plugins/vue-hello-world',
-  '/plugins/outline',
-]);
+export const builtinPluginPaths = new Set(runtimeConfig.builtinPlugins);
 
 const pluginCleanupMap = new Map<string, Set<() => void>>();