Add custom command byproducts to clean rules
If CLEAN_NO_CUSTOM is set, BYPRODUCTS defined by custom commands or custom targets will be added to the clean rules.
Addresses #18300 (closed) and partially #18303
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If CLEAN_NO_CUSTOM is set, BYPRODUCTS defined by custom commands or custom targets will be added to the clean rules.
Addresses #18300 (closed) and partially #18303