`getContextChangedKeys` only handles class components:
https://github.com/facebook/react/blob/355591add41c0f6dad738fdb1b6603e0786b7b4e/packages/react-devtools-shared/src/backend/renderer.js#L1276-L1304
) {
      
      
       N
      const consumerResolvedContext = type._context || type;
       G
      context = consumerResolvedContext._currentValue || null;
       L
      let current = ((fiber: any): Fiber).return;
      while (current !== null) {
        const currentType = current.type;
        const currentTypeSymbol = getTypeSymbol(currentType);
        if (
          currentTypeSymbol === PROVIDER_NUMBER ||
          currentTypeSymbol === PROVIDER_SYMBOL_STRING
        ) {
          
          
           N
          const providerResolvedContext =
            currentType._context || currentType.context;
          if (providerResolvedContext === consumerResolvedContext) {
            context = current.memoizedProps.value;
            break;
          }
        }
        current = current.return;
      }
    }
    let hasLegacyContext = false;