Removed the EngineFinder.cmake file from the Engine cmake directory as it is only needed in a Project
Added an EngineJson.cmake which reads the "external_subdirectories" list from the engine.json file and calls add_subdirectory on it
Re-ordered the population of the generated gem dependency list to prepend the dependencies before the dependent targets
* removing unused function and moving ctest_scripts to scripts/ctest
* Re-adding ebp-test
* Fixing typo that is making this test run in parallel with other tests
* Fixing hang when parameters are passed
* passing absolute path as a project
* small tweak to not print out during Python execution
* Moving the timeout to be in the build step
* Disable ebo_sanity_smoke_no_gpu
Co-authored-by: jackalbe <23512001+jackalbe@users.noreply.github.com>