Fix record page context store instance id (#10508)

Fixes bug introduced by https://github.com/twentyhq/twenty/pull/10272
- Replace show page context store instance id by 'main-context-store'

packages/twenty-front/src/modules/context-store/states/mainContextStoreComponentInstanceId.ts

@@ -1,7 +0,0 @@
-import { CONTEXT_STORE_INSTANCE_ID_DEFAULT_VALUE } from '@/context-store/constants/ContextStoreInstanceIdDefaultValue';
-import { createState } from '@ui/utilities/state/utils/createState';
-
-export const mainContextStoreComponentInstanceIdState = createState<string>({
-  key: 'mainContextStoreComponentInstanceIdState',
-  defaultValue: CONTEXT_STORE_INSTANCE_ID_DEFAULT_VALUE,
-});