Fixes, refactors and enhances Linux build-scripts (#8269)

* fixes and refactors linux build scripts
 - build_linux.sh: fixes wrong AppImage build folder; refactors script; enhances help text
 - harmonizes names: BuildLinux.sh and BuildLinuxImage.sh
 - fixes file permissions: cmake inherits .in-file permission; removes chmod 755 in scripts
 - linux.d/debian: removes false positive error message
 - updates documentation

* enables ANSI-colored output for GNU or Clang

* build_linux.sh: adds -p flag to disable PCH for boosting ccache hit rate

* Allow compilation on distributions based on Ubuntu/Debian (#8625)

* build_linux.sh: takes over changes from BuildLinux.sh

* CMakeLists.txt: removes leftovers, enables ANSI-colored output

* CMakeLists.txt: fixes issue where FORCE_COLORED_OUTPUT was not respected form environment (introduces -C cli arg)

* merges 5df4275: Make it easy to pass extra build args to deps and orca in BuildLinux.sh (#9648)

.github/workflows/build_all.yml

@@ -25,7 +25,7 @@ on:
      - '**/CMakeLists.txt'
      - 'version.inc'
      - ".github/workflows/build_*.yml"
-     - 'BuildLinux.sh'
+     - 'build_linux.sh'
      - 'build_release_vs2022.bat'
      - 'build_release_macos.sh'
      - 'flatpak/**'