hide kill button when the process is done

[superstar54]

fix #605 and #606
Hide the "Kill workchain" button when the workchain is done (finished or excepted).

qeapp-kill-button.mp4

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 75.68%. Comparing base (f63da7d) to head (25e0168).
Report is 52 commits behind head on main.

❗ Current head 25e0168 differs from pull request most recent head cc2713d. Consider uploading reports for the commit cc2713d to get more accurate results

Files	Patch %	Lines
src/aiidalab_qe/app/result/__init__.py	66.66%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #648      +/-   ##
==========================================
- Coverage   80.73%   75.68%   -5.05%     
==========================================
  Files          49       60      +11     
  Lines        3415     4331     +916     
==========================================
+ Hits         2757     3278     +521     
- Misses        658     1053     +395     

Flag	Coverage Δ
python-3.10	75.68% <66.66%> (-5.05%)	⬇️
python-3.8	?
python-3.9	75.71% <66.66%> (-5.06%)	⬇️

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[mikibonacci]

Hi @superstar54 , thanks for the fixings! for me is fine to merge

[superstar54]

Hi @superstar54 , thanks for the fixings! for me is fine to merge

@mikibonacci , thanks for the review! Could you approve the PR?

[mikibonacci]

Approved