Release dashboards V1 (#17386)

Remove `IS_PAGE_LAYOUT_ENABLED` feature flag entirely

packages/twenty-server/src/engine/core-modules/feature-flag/constants/public-feature-flag.const.ts

@@ -12,14 +12,6 @@ export type PublicFeatureFlag = {
 };
 
 export const PUBLIC_FEATURE_FLAGS: PublicFeatureFlag[] = [
-  {
-    key: FeatureFlagKey.IS_PAGE_LAYOUT_ENABLED,
-    metadata: {
-      label: 'Dashboards',
-      description: 'Enable dashboards',
-      imagePath: 'https://twenty.com/images/lab/is-dashboards-enabled.png',
-    },
-  },
   {
     key: FeatureFlagKey.IS_JUNCTION_RELATIONS_ENABLED,
     metadata: {

packages/twenty-server/src/engine/core-modules/feature-flag/enums/feature-flag-key.enum.ts

@@ -4,7 +4,6 @@ export enum FeatureFlagKey {
   IS_AI_ENABLED = 'IS_AI_ENABLED',
   IS_APPLICATION_ENABLED = 'IS_APPLICATION_ENABLED',
   IS_APPLICATION_INSTALLATION_FROM_TARBALL_ENABLED = 'IS_APPLICATION_INSTALLATION_FROM_TARBALL_ENABLED',
-  IS_PAGE_LAYOUT_ENABLED = 'IS_PAGE_LAYOUT_ENABLED',
   IS_RECORD_PAGE_LAYOUT_ENABLED = 'IS_RECORD_PAGE_LAYOUT_ENABLED',
   IS_PUBLIC_DOMAIN_ENABLED = 'IS_PUBLIC_DOMAIN_ENABLED',
   IS_EMAILING_DOMAIN_ENABLED = 'IS_EMAILING_DOMAIN_ENABLED',