Treat lazy functions the same no matter whether they are lazy due to
compilation hints or flags ({--wasm-lazy-compilation},
{--asm-wasm-lazy-compilation}). Test coverage is given by regression
tests 956771 and 956771b.

Bug: v8:9003
Change-Id: I123f83636f055fb142cd71f6cde88480f3c141bd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1585846
Commit-Queue: Frederik Gossen <frgossen@google.com>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61116}