Warning message : Cannot update a component (`Unknown`) while rendering a different component

### Describe the bug:
A warning message is shown when using some blocks :
- Accordion
- Hero
- Features (when adding a third column)

### To reproduce:
1. Create an Accordion block
2. Add a few Accordion item
3. Unselect the Accordion block
4. Look in the JS console

### Expected behavior:
No error message in the console

### Screenshots:

### Isolating the problem:

- [X] This bug happens with no other plugins activated
- [X] This bug happens with a default WordPress theme active
- [X] This bug happens **without** the Gutenberg plugin active
- [X] I can reproduce this bug consistently using the steps above

### WordPress version:
5.8.2