refactor(compiler): replace most usages of getMutableClone (#47167) #47271
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This is a cherry-pick of #47167 into the patch branch.
Replaces (almost) all of the usages of the deprecated
getMutableClone
function from TypeScript which has started to log deprecation warnings in version 4.8 and will likely be removed in version 5.0. The one place we have left is in the default import handling of ngtsc which will be more difficult to remove.PR Close #47167