[X] Installation of an app from the apps portion of the portal config file allows to have Custom JSON setting as a dict and JSON string, file path string
[X] Skips custom JSON setting assignment if it is not a string/dict
coverage: 100.0%. remained the same when pulling 68e49bf7d6eac6aea501ebefba26a152eec0324f on romer8:fix_json_setting into 19b3ded9ad594a0848004981bf7ca6dbb35b3d76 on tethysplatform:main.