Disable legacy context

This enables the `disableLegacyContext` flag for web and React Native.

Author: kassens

packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js

@@ -1058,6 +1058,7 @@ describe('ReactComponentLifeCycle', () => {
   });
 
   if (!require('shared/ReactFeatureFlags').disableModulePatternComponents) {
+    // @gate !disableLegacyContext
     it('calls effects on module-pattern component', async () => {
       const log = [];
 

packages/shared/ReactFeatureFlags.js

@@ -150,7 +150,7 @@ export const createRootStrictEffectsByDefault = false;
 
 export const disableModulePatternComponents = false;
 
-export const disableLegacyContext = false;
+export const disableLegacyContext = true;
 
 export const enableUseRefAccessWarning = false;
 

packages/shared/forks/ReactFeatureFlags.native-oss.js

@@ -36,7 +36,7 @@ export const enableSchedulerDebugging = false;
 export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
-export const disableLegacyContext = false;
+export const disableLegacyContext = true;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
 export const disableModulePatternComponents = false;

packages/shared/forks/ReactFeatureFlags.test-renderer.js

@@ -36,7 +36,7 @@ export const enableSchedulerDebugging = false;
 export const enableScopeAPI = false;
 export const enableCreateEventHandleAPI = false;
 export const enableSuspenseCallback = false;
-export const disableLegacyContext = false;
+export const disableLegacyContext = true;
 export const enableTrustedTypesIntegration = false;
 export const disableTextareaChildren = false;
 export const disableModulePatternComponents = false;