Patch 4.0.3, better version manifest error

[mindstorm38]

Changes

• CLI: When socket errors happen with the search and start commands, the CLI provides tips to use it in offline-mode
• CLI: Fixed a concerning issue where the locally cached version manifest was not used for the start command.

[codecov[bot]]

Codecov Report

Attention: 1145 lines in your changes are missing coverage. Please review.

Files	Coverage Δ
portablemc/__init__.py	100.00% <100.00%> (ø)
test/test_cli_misc.py	100.00% <100.00%> (ø)
test/test_download.py	100.00% <100.00%> (ø)
test/test_misc.py	100.00% <100.00%> (ø)
test/test_project.py	100.00% <100.00%> (ø)
test/conftest.py	95.23% <95.23%> (ø)
portablemc/cli/lang.py	84.61% <84.61%> (ø)
portablemc/cli/parse.py	97.01% <97.01%> (ø)
test/test_install.py	93.75% <93.75%> (ø)
portablemc/cli/util.py	88.00% <88.00%> (ø)
... and 9 more

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