fix(supabase): handle multiple filters safely for Supabase Realtime (Fixes #6360)

[vivekkumarrathour]

Supabase Realtime rejects payloads when multiple filters are provided. This change:

• warns when multiple filters are passed,
• uses only the first filter by default to avoid invalid payloads,
• provides an escape hatch via meta.realtime.allowMultipleFilters.

Fixes #6360

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PR Checklist

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• [x] The commit message follows our guidelines: https://refine.dev/docs/guides-concepts/contributing/#commit-convention

Bugs / Features

• [x] Related issue(s) linked (#6360)
• [ ] Tests for the changes have been added (not applicable — runtime fix only)
• [ ] Docs have been added / updated (not required for this bug fix, but can be added by maintainers)
• [x] Changesets have been added https://refine.dev/docs/guides-concepts/contributing/#creating-a-changeset

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What is the current behavior?

Refine joins multiple filters into a comma-separated string and sends them to Supabase Realtime.
Supabase Realtime does not support multiple filters, so this results in:

• invalid realtime payload
• failing websocket subscription
• no live updates

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What is the new behavior?

• When more than one filter is provided:
  • A warning is shown in the console.
  • Only the first filter is sent to Supabase, avoiding invalid payloads.
• If a user wants the old behavior, they can explicitly enable:

meta.realtime.allowMultipleFilters = true

[changeset-bot[bot]]

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Latest commit: 31cf5b4633954f6dfa807093704aa0b2fc0b843a

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