test: create mock package (#29765)

packages/mock-providers/.eslintrc.json

packages/mock-providers/package.json

packages/mock-providers/src/MockedAuthorizationContext.tsx

packages/mock-providers/src/MockedServerContext.tsx

packages/mock-providers/src/MockedSettingsContext.tsx

packages/mock-providers/src/MockedUiKitActionManager.tsx

packages/mock-providers/src/MockedUserContext.tsx

packages/mock-providers/tsconfig.json

yarn.lock