Correctly render stacks when state changes

[Zabot]

---

fel-version: 0.3.2
fel-stack: devel
fel-stack-index: 0
fel-branch: fel/devel/0
fel-amended-from: bd7996d628f4d5f662ebdc645264c6c5a67504d8

---

This diff is part of a fel stack

* #36 Bump version
* #35 Backwards compatible submit
* #34 Correctly render stacks when state changes
* master

[github-actions]

✅ Result of Pytest Coverage

---------- coverage: platform linux, python 3.8.10-final-0 -----------

Name	Stmts	Miss	Cover
fel/init.py	1	0	100%
fel/main.py	123	123	0%
fel/config.py	13	13	0%
fel/land.py	55	13	76%
fel/mergeability.py	97	29	70%
fel/meta.py	24	2	92%
fel/pr.py	31	31	0%
fel/rebase.py	27	0	100%
fel/stack.py	171	15	91%
fel/stack_spinner.py	76	45	41%
fel/style.py	9	0	100%
fel/submit.py	106	47	56%
fel/util.py	21	0	100%
TOTAL	754	318	58%

~ 22 passed in 5.37s ~