The FFmpeg building flow has become too different on linux and macos.
Decoupling the logic makes it more simple to follow.
The CR also fixes nits and shellcheck warnings in install-ffmpeg.
Pick-to: 6.8 6.9
Change-Id: I28639d28c7210809e52ff18ce612da52f8754285
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
Adding all builds Wayland which is the default display
server for Ubuntu. Testing each module in X11, and
testing Wayland client plugin for each module in
Qt Wayland integration. [CI Platforms]
TestDocs was removed, see also QTQAINFRA-6068.
Task-number: QTQAINFRA-6322
Task-number: QTQAINFRA-6098
Task-number: QTQAINFRA-6203
Change-Id: I8db0d861940bdd558384f1cc24243c6a84e133e2
Reviewed-by: Liang Qi <liang.qi@qt.io>