### 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_
} else {
       M
      setRootPseudoKey(currentRootID, current);
      mountFiberRecursively(current, null, false, false);
    }
    if (isProfiling && isProfilingSupported) {
      if (!shouldBailoutWithPendingOperations()) {
        const commitProfilingMetadata = ((rootToCommitProfilingMetadataMap: any): CommitProfilingMetadataMap).get(
          currentRootID,
        );
        if (commitProfilingMetadata != null) {
          commitProfilingMetadata.push(
            ((currentCommitProfilingMetadata: any): CommitProfilingData),
          );
        } else {
          ((rootToCommitProfilingMetadataMap: any): CommitProfilingMetadataMap).set(
            currentRootID,
            [((currentCommitProfilingMetadata: any): CommitProfilingData)],
          );
        }
      }
    }
     W
    flushPendingEvents(root);
    if (traceUpdatesEnabled) {
      hook.emit('traceUpdates', traceUpdatesForNodes);
    }
    currentRootID = -1;
  }
  function findAllCurrentHostFibers(id: number): $ReadOnlyArray<Fiber> {