Fix Nucache rebuilding more type caches than necessary

[nzdev]

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If there's an existing issue for this PR then this fixes

Description

Fix Nucache rebuilding more type caches than necessary. The Rebuild method is intended per it's existing docs to not rebuild the cache when the typeids are null, however this behavior has been broken. This results in slow cache rebuilds when rebuilding a limited number of types. For example Rebuild(new int[] {1234},null,null) results in cache rebuilds for content with content type 1234 having it's nucache rebuilt, as well as all media and members in the cache, which occurs if modifying content type 1234 via the backoffice ui and can be incredibly slow.

This pr fixes the issue by correcting the implementation of Rebuild, and adding a RebuildAll() to make it clearer to implementers how to rebuild all types vs a limited set of types.

[github-actions]

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[nul800sebastiaan]

Thanks @nzdev - will ship with 10.3!