feat: LEAP-1592: Hide task navigation arrow based on setting

[hlomzik]

If label_stream_navigation_disabled is set to true, hide arrows. Hide task counter as well with this setting.

PR fulfills these requirements

• [ ] 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.)
• [x] Self-reviewed and ran all changes on a local instance (for bug fixes/features)

Change has impacts in these area(s)

• [x] Product design
• [ ] Backend (Database)
• [ ] Backend (API)
• [x] Frontend

Describe the reason for change

This leads to annotators overlap sometimes because it's hard to track all possible combinations of people working on a task/annotation.

What alternative approaches were there?

In general there are different approaches to prevent overlap, that's one of experiments.

What feature flags were used to cover this change?

It's org setting, so no FF needed.

Does this PR introduce a breaking change?

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

What level of testing was included in the change?

• [ ] e2e
• [ ] integration
• [ ] unit

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[hlomzik]

/git merge fb-LEAP-1558

Workflow run Error: Workflow failed