feat: expose react-moment 2 configuration

[harsh21234i]

Summary

• Expose the missing react-moment 2.x options through rx.moment.
• Add rx.moment_provider for shared defaults and pooled timers.
• Give actionable errors for the removed filter prop and the reported settings and form_at inputs.
• Update Moment docs and add a package news fragment.

Closes #7100

Tests

• Moment unit tests: 10 passed.
• Ruff check, Ruff format, and git diff --check passed.

[cubic-dev-ai]

All reported issues were addressed across 7 files

<sub>Reply with feedback, questions, or to request a fix.

View guided diff | Re-trigger cubic</sub>

[greptile-apps]

Confidence Score: 5/5

[Medium impact] The PR appears safe to merge; the previous duplication finding is fixed, and no new actionable issues were found.

Summary

Adds more react-moment 2.x options and exposes rx.moment_provider for shared defaults and timers.

• Moment accepts more of the react-moment 2.x date options.
• Moment dates can share defaults through a provider.
• Invalid Moment props now point callers to the right option.

The previous duplication finding is fixed. No new actionable issues were found.

_{Reviews (5) · Last reviewed commit: "fix: share Moment locale import handling" · Reviewed by Greptile}

[codspeed]

Merging this PR will degrade performance by 4.07%

⚠️ 21 benchmarks spent significant time in system calls

System calls cannot be consistently instrumented, so they are not included in the measure, which understates the real cost. Please switch to the Walltime instrument to accurately measure system calls.

Measurement and system calls

• test_get_state[memory]
• test_state_manager_memory_modify
• test_get_state[disk]
• test_cli_startup[version]
• test_cli_startup[help]
• test_set_state[disk]
• test_state_manager_memory_read_only_modify
• test_event_queue_dispatch
• test_event_future_tree
• test_import_reflex
• …and 11 more

❌ 1 regressed benchmark
✅ 147 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	test_state_access[write_own]	126.1 ms	131.4 ms	-4.07%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

---

_{Comparing harsh21234i:fix/7100-moment-props (7a5aa7f) with main (5ae5dcd)}

[cubic-dev-ai]

All reported issues were addressed across 5 files (changes from recent commits).

<sub>Reply with feedback, questions, or to request a fix.

View guided diff | Re-trigger cubic</sub>

[cubic-dev-ai]

All reported issues were addressed across 4 files (changes from recent commits).

<sub>Reply with feedback, questions, or to request a fix.

View guided diff | Re-trigger cubic</sub>