Atom/16852 (#6316)

* discover build folder, don't assume or require

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* update config_utils, no cyclical imports

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* improved docstrings and some code formatting

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* updates to config.py

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* updates to config_utils.py

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* dccsi bootstrap changes

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* fixed testing for bootstrap externally

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* added note for installing substance automation toolkit for tool dev

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* based on user feedback suppress global debug by default in IDE

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

* small adjustments

Signed-off-by: Jonny Gallowy <gallowj@amazon.com>

Gems/AtomLyIntegration/TechnicalArt/DccScriptingInterface/SDK/Lumberyard/Scripts/set_menu.py

@@ -118,7 +118,7 @@ def clicked_launch_sub_builder():
         print(debug_msg)
         _LOGGER.debug(debug_msg)
 
-    _SUB_BUILDER_PATH = Path(settings.DCCSIG_PATH,
+    _SUB_BUILDER_PATH = Path(settings.PATH_DCCSIG,
                              'SDK',
                              'Substance',
                              'builder')