fix(ui): changed default commit message. Fixes: RCCE-36

fix(app): Adjusted accordingly to PR suggestions. Fixes: RCCE-37

fix(app): Added proper encoding to avoid app crashes while downloading files. Fixes: RCCE-37

feat(metric): added new metric calculation. Fixes: RCCE-5

fix(validators): fixed improved error message on user group validators

fix(permission-flush): use delete method for permission cache invalidation as it's multi-process safe. Fixes RCCE-23

fix(jupyter): added handling of v3 format issues. Fixes RCCE-30

fix(test): fixed test and pull api endpoint. Fixes: RCCE-29

fix(jupyter): fixed bug. Fixes: RCCE-26

feat(ui): improve submodule rendering