Handling of unknown width for multiports #1690

Job	Run time
check-diff / check	20s
cli / test-cli (ubuntu-latest)	4m 7s
lsp / test-lsp (ubuntu-latest)	10m 19s
cli / test-cli (macos-latest)	6m 58s
lsp / test-lsp (macos-latest)	15m 37s
cli / test-cli (windows-latest)	7m 51s
lsp / test-lsp (windows-latest)	22m 1s
building / build-toolchain (ubuntu-latest)	8m 27s
building / build-toolchain (macos-latest)	7m 54s
building / build-toolchain (windows-latest)	12m 27s
building / epoch / build-epoch	10m 30s
	1h 46m 31s

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