feat(meta): support replace source

[xxchan]

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What's changed and what's your intention?

Finish the meta part of #19063:

• 1. extend match &stream_job from Table to Source
• 2. handle split assignment for replace (need to align to prev actors, because of source backfill is aligned)
• Also changed the grpc interface from table to job.

e2e tests can be seem in #19649

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added test labels as necessary. See details.
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Release note

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[xxchan]

• feat(frontend): support alter source refresh schema for shared source #19740
• feat(frontend): support alter add column for shared source #19649
• feat(meta): support replace source #19650 👈 (View in Graphite)
• refactor(meta): generalize replace table to replace job #18935
• refactor(meta): unify DdlType and StreamingJobType #19630
• main

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[chenzl25]

Generally LGTM.

[BugenZhao]

Rest LGTM

[xxchan]

@BugenZhao look look