Add `evap-dev-with-lsp` shell #3943

Job	Run time
Build wheel	1m 39s
Backup process	2m 55s
Linter	2m 5s
Formatting	1m 30s
Build nix environment on MacOS	2m 56s
MyPy	1m 41s
Test + Coverage	2m 48s
Test Frontend	3m 20s
Test (shuffled order)	2m 17s
Test if testdata is up to date	1m 58s
Test Typescript	1m 37s
Install wheel with system Python	11s
	24m 57s

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