fix: environment variables for feature flags

apps/web/.env

apps/web/.env.development

apps/web/.env.example

apps/web/.env.production

apps/web/src/components/navbar/navbar.tsx

apps/web/src/main.tsx

apps/web/tsconfig.json

libs/config/src/envVariables.ts

libs/config/src/featureFlags.ts

libs/config/src/index.ts

libs/shared/lib/components/featureFlags/FeatureEnabled.tsx

libs/shared/lib/components/featureFlags/featureFlags.ts

libs/shared/lib/components/featureFlags/index.ts

libs/shared/lib/data-access/broker/broker.tsx

libs/shared/lib/data-access/security/useAuthentication.tsx

libs/shared/lib/inspector/InspectorPanel.tsx

...d/lib/querybuilder/panel/querysidepanel/QueryMLDialog.tsx

libs/shared/lib/sidebar/index.tsx

libs/shared/lib/vis/components/VisualizationPanel.tsx