This fixes the "Command line is too long" error when building a project
with many object files for WASM on Windows.
Fixes: QTBUG-94032
Pick-to: 6.2 6.1 5.15
Change-Id: I29251da9795b267c968da86617da0311bf882a64
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>