This introduces {DisassembleWasmFunction} to replace the above method,
since disassembling a function is independent of the concrete module
object and hence can be done for shared decoded modules.

R=clemensh@chromium.org
BUG=v8:6847

Change-Id: I5abea2a1381a9b8d3717a55d0b2b937dfbbafefd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1809359
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63860}