fix: LEAP-1191: Fix drawing tools scenarios with ctrl pressed

[Gondragos]

This fix changes behaviour into:

1. We can draw region over another region with keeping ctrl/cmd pressed only when there is no selected region yet.
2. We can add region to selection with ctrl/cmd pressed, in case if there is(are) some selected region(s).

PR fulfills these requirements

• Commit message(s) and PR title follows the format [fix|feat|ci|chore|doc]: TICKET-ID: Short description of change made ex. fix: DEV-XXXX: Removed inconsistent code usage causing intermittent errors
• Tests for the changes have been added/updated (for bug fixes/features)
• Docs have been added/updated (for bug fixes/features)
• Best efforts were made to ensure docs/code are concise and coherent (checked for spelling/grammatical errors, commented out code, debug logs etc.)
• Self-reviewed and ran all changes on a local instance (for bug fixes/features)

Change has impacts in these area(s)

• Product design
• Backend (Database)
• Backend (API)
• Frontend

Describe the reason for change

There is an intersection of two expected behaviours:

1. We need to draw regions over other regions. And that was originally solved with adding ability to draw with pressed ctrl/cmd key to ignore interactions with existing regions.
2. We want to be able to select more than one region to work with all them at once (hiding, deleting, moving and so on). And we use ctrl/cmd pressing as well.

So that, with keeping ctrl/cmd pressed and clicking on the region we got:

1. Starting drawing region by clicking.
2. Adding region to the current selection.
   But all that in the same time.

What feature flags were used to cover this change?

N/A

Does this PR introduce a breaking change?

• Yes, and covered entirely by feature flag(s)
• Yes, and covered partially by feature flag(s)
• No
• Not sure (briefly explain the situation below)

What level of testing was included in the change?

• e2e
• integration
• unit

Which logical domain(s) does this change affect?

Image, Drawing tools

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[bmartel]

Looks great 🔥

[yyassi-heartex]

/selenium test

'/selenium' is an unknown pull-request command.
See '/help'

[Gondragos]

/git merge develop

Workflow run
Successfully merged: create mode 100644 web/libs/editor/src/components/TopBar/tests/CurrentTask.test.tsx

[Gondragos]

/git merge develop

Workflow run
Successfully merged: Already up to date.

[hlomzik]

/git merge develop

Workflow run
Successfully merged: 10 files changed, 19 insertions(+), 18 deletions(-)

[Gondragos]

/git merge develop

Workflow run
Successfully merged: 14 files changed, 80 insertions(+), 55 deletions(-)

[triklozoid]

/git merge develop

Workflow run
Successfully merged: create mode 100644 web/libs/datamanager/src/utils/tests/helpers.test.ts

[Gondragos]

/git merge develop

Workflow run
Successfully merged: create mode 100644 label_studio/data_manager/migrations/0011_auto_20240718_1355.py