v1.14: Fixed missing Root notifications via geyser plugin framework (backport of #31180)

[mergify]

This is an automatic backport of pull request #31180 done by Mergify.
Cherry-pick of 7cf50e6 has failed:

On branch mergify/bp/v1.14/pr-31180
Your branch is up to date with 'origin/v1.14'.

You are currently cherry-picking commit 7cf50e60fc.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   core/src/replay_stage.rs
	modified:   core/src/tvu.rs
	modified:   geyser-plugin-manager/src/slot_status_observer.rs
	modified:   rpc/src/optimistically_confirmed_bank_tracker.rs
	modified:   rpc/src/rpc.rs
	modified:   rpc/src/rpc_subscriptions.rs

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   core/src/validator.rs
	both modified:   geyser-plugin-manager/src/geyser_plugin_service.rs

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[codecov]

Codecov Report

Merging #31650 (203e89e) into v1.14 (d38effa) will decrease coverage by 0.1%.
The diff coverage is 84.3%.

@@            Coverage Diff            @@
##            v1.14   #31650     +/-   ##
=========================================
- Coverage    82.1%    82.1%   -0.1%     
=========================================
  Files         664      664             
  Lines      185210   185288     +78     
=========================================
+ Hits       152162   152220     +58     
- Misses      33048    33068     +20