sqf: Add lint (S26) for short circuit on bool vars

[PabstMirror]

_test1 && _test2 is faster than _test1 && {_test2}

But (!isNil "z") && {z} is not safe to convert if z is nil

So will probably have to be default off

[codecov]

Codecov Report

Attention: Patch coverage is 72.00000% with 28 lines in your changes missing coverage. Please review.

Project coverage is 67.6%. Comparing base (62cc0ba) to head (5eaa16f).
Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
...qf/src/analyze/lints/s26_short_circuit_bool_var.rs	72.0%	28 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
...qf/src/analyze/lints/s26_short_circuit_bool_var.rs	72.0% <72.0%> (ø)

... and 11 files with indirect coverage changes