Feature/orphaned screen cleanup

[rusiaaman]

• Cleanup orphaned wcgw screens
• Bash allow multiline commands

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 35.76642% with 88 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
.../client/bash_state/parser/bash_statement_parser.py	30.76%	54 Missing ⚠️
src/wcgw/client/bash_state/bash_state.py	41.37%	34 Missing ⚠️

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Files with missing lines	Coverage Δ
src/wcgw/client/bash_state/parser/__init__.py	100.00% <100.00%> (ø)
src/wcgw/client/bash_state/bash_state.py	77.77% <41.37%> (-3.73%)	⬇️
.../client/bash_state/parser/bash_statement_parser.py	30.76% <30.76%> (ø)

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