Fix weights sharing for Dense with kernel being an unsettable property #441

Job	Run time
linters	24s
type-checking	24s
tests (3.9, ubuntu-latest, tf)	11m 35s
tests (3.9, ubuntu-latest, torch)	4m 18s
tests (3.9, macos-latest, tf)	14m 38s
tests (3.9, macos-latest, torch)	7m 44s
tests (3.9, windows-latest, tf)	10m 45s
tests (3.9, windows-latest, torch)	4m 55s
tests (3.11, ubuntu-latest, tf)	8m 39s
tests (3.11, ubuntu-latest, torch)	3m 42s
tests (3.11, macos-latest, tf)	13m 42s
tests (3.11, macos-latest, torch)	7m 59s
tests (3.11, windows-latest, tf)	11m 18s
tests (3.11, windows-latest, torch)	4m 26s
build-doc / build-doc	1m 31s
deploy-doc / deploy-doc	13s
deploy-doc / trigger-binder-build	40s
deploy-doc / update-doc-versions	5s
	1h 46m 58s

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