### Website or app

Please checkout the linked branch not `main`
https://github.com/eps1lon/react-devtools-repro-no-matching-node/tree/repro/elements-leaking
Repro steps and screen recording included in the repro

### Repro steps

1. Clone repro
1. yarn
1. yarn start
1. Open app page
1. open devtools
1. Uncomment the `useEffect` block i.e. add an effect
1. inspect `Component` element
1. comment `useEffect` block i.e. remove the effect
1. Repeat comment/uncomment to see that children grow indefinitely


### How often does this bug happen?

Every time

### DevTools package (automated)

_No response_

### DevTools version (automated)

_No response_

### Error message (automated)

Could not inspect element with id 4

### Error call stack (automated)

_No response_

### Error component stack (automated)

_No response_

### GitHub query string (automated)

_No response_

Might be a duplicate of https://github.com/facebook/react/issues/21436#issuecomment-835406075 since the repro steps are the same. But depending on what the effect is doing, the behavior is different.
The
       chi
       to 
      for (let j = 0; j < pendingSimulatedUnmountedIDs.length; j++) {
        operations[i + j] = pendingSimulatedUnmountedIDs[j];
      }
      i += pendingSimulatedUnmountedIDs.length;
       The 
      if (pendingUnmountedRootID !== null) {
        operations[i] = pendingUnmountedRootID;
        i++;
      }
    }
     Fill in the rest of the operations.
    for (let j = 0; j < pendingOperations.length; j++) {
      operations[i + j] = pendingOperations[j];
    }
    i += pendingOperations.length;
     Let the frontend know about tree operations.
    flushOrQueueOperations(operations);
     Reset all of the pending state now that we've told the frontend about it.
    pendingOperations.length = 0;
    pendingRealUnmountedIDs.length = 0;
    pendingSimulatedUnmountedIDs.length = 0;
    pendingUnmountedRootID = null;
    pendingStringTable.clear();
    pendingStringTableLength = 0;
  }
  function getStringID(str: string | null): number {
    if (str === null) {