fix(stream): set the correct initial checkpoint versions.

enh: remove unused functions in sync

Bumps [spring-core](https://github.com/spring-projects/spring-framework) from 5.3.26 to 5.3.27.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.26...v5.3.27)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:production
...
Signed-off-by: Ndependabot[bot] <support@github.com>
Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

opti:the logic of mndDoRebalance for clear

fix:stream memory leak

fix: udf plan error

fix(stream): set the correct initial checkpoint version to restore the operators state and add check for the initial destination tables.

enh(stream): the stream will start after vnode restore being completed.

release: upgrade default version

fix: an important fix