### Website or app

https://github.com/reactjs/reactjs.org/pull/4981

### Repro steps

1. Wrap something into `<Fragment key="stuff">`
2. It doesn't show up in DevTools

We filter out fragments because they tend to be useless. But this one is important! Keys are crucial and we should show anything with a key in the tree.

### How often does this bug happen?

Every time

### DevTools package (automated)

_No response_

### DevTools version (automated)

_No response_

### Error message (automated)

_No response_

### Error call stack (automated)

_No response_

### Error component stack (automated)

_No response_

### GitHub query string (automated)

_No response_
}
  }
  function updateContextsForFiber(fiber: Fiber) {
    switch (getElementTypeForFiber(fiber)) {
      case ElementTypeClass:
      case ElementTypeForwardRef:
      case ElementTypeFunction:
      case ElementTypeMemo:
        if (idToContextsMap !== null) {
          const id = getFiberIDThrows(fiber);
          const contexts = getContextsForFiber(fiber);
          if (contexts !== null) {
            idToContextsMap.set(id, contexts);
          }
        }
        break;
      default:
        break;
    }
  }
   Differentiates between a null context value and no context.
  const NO_CONTEXT = {};
  function getContextsForFiber(fiber: Fiber): [Object, any] | null {
    let legacyContext = NO_CONTEXT;
    let modernContext = NO_CONTEXT;
    switch (getElementTypeForFiber(fiber)) {
      case ElementTypeClass:
        const instance = fiber.stateNode;
        if (instance != null) {
          if (