### 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_
fiberID,
          pendingFiberToWarningsMap,
          fiberIDToWarningsMap,
        );
        pushOperation(TREE_OPERATION_UPDATE_ERRORS_OR_WARNINGS);
        pushOperation(fiberID);
        pushOperation(errorCount);
        pushOperation(warningCount);
      }
       A
      pendingFiberToErrorsMap.delete(fiber);
      pendingFiberToWarningsMap.delete(fiber);
    });
    fibersWithChangedErrorOrWarningCounts.clear();
  }
  function flushPendingEvents(root: Object): void {
     A
     W
    recordPendingErrorsAndWarnings();
    if (shouldBailoutWithPendingOperations()) {
       I
       N
      
       T
       (
       (
       B
       S
      return;
    }