feat: HUMSIG-37: Enhancing ML backend connection experience (#5546)

* Updated implementation of the ML Backend experience. Docs & Test to follow

* Updating the experience a bit more based on the feedback. Plus
updating tests

* minor updates on the experience

* removing debug info, uncommenting bits

* fixing small issue to make it backward compatible with the previous project setting

* Fix errors, code cleanup, fix ruff

* Downgrade testing-library, reformat with linters

* Remove excessive calls in task api

* Fix frontend script

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8192397383

* fmt

* fix sdk version & change api /predict/test

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8201028879

* try update lock

* [submodules] Copy src HumanSignal/dm2

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8207748036

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8207796735

* Address review comments with stylistic changes, remove unusable code, change some writings

* Additional changes

* Add svg icon file

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8217959028

* Fix ml/predict/test api

* Running a formatter/lint on the code

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8237179655

* Running a formatter/lint on the code

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8237277894

* Running a formatter/lint on the code

* Running a formatter/lint on the code

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8237418085

* Handle security on password input

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8238405264

* Display default password when not specified

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8240219216

* Reduce number of calls due to project id cache

* ci: Build frontend

Workflow run: https://github.com/HumanSignal/label-studio/actions/runs/8240697575



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Co-authored-by: Mikhail Maluyk <mikhail.maluyk@gmail.com>
Co-authored-by: Michael Malyuk <28912+deppp@users.noreply.github.com>
Co-authored-by: Michael Malyuk <michaelmalyuk@Michaels-MacBook-Air-2.local>
Co-authored-by: nik <nik@heartex.net>
Co-authored-by: robot-ci-heartex <robot-ci-heartex@users.noreply.github.com>
Co-authored-by: Jo Booth <jo.m.booth@gmail.com>
Co-authored-by: Brandon Martel <brandonmartel@gmail.com>