fix(table): insert trailing and inter-table paragraph blocks to prevent desynced selection (#4956)

[Samarth1306w]

• Auto release

Issue

Closes #4956

Summary

Fixes desynced selection and toSlateRange crash (Cannot resolve a Slate point from DOM point) when clicking in unmapped DOM gaps beside or between tables.

Changes

Updated withNormalizeTable.ts to normalize top-level table blocks:

1. Automatically appends a trailing paragraph block if a table is at the end of the document.
2. Automatically inserts an empty inter-table paragraph block between adjacent tables.

Acceptance criteria

• Inserts trailing paragraph block for top-level tables at document end
• Inserts inter-table paragraph block between adjacent tables
• Prevents toSlateRange crashes on user typing/pasting in unmapped DOM gaps

/claim #4956

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🦋 Changeset detected

Latest commit: 65a9e51

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@platejs/table	Patch
@platejs/core	Patch
@platejs/csv	Patch

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