remove job entries when drop space && check space exist when check jo…

[pengweisong]

What type of PR is this?

• bug
• feature
• enhancement

What problem(s) does this PR solve?

Issue(s) number:

https://github.com/vesoft-inc/nebula-ent/issues/1643

Description:

When drop the space, the job entries have not been dropped. Then we create backup, it may have some job entries left which are rebuilding jobs. In this case, there is no rebuilding job really, but the backup creation is blocked.

How do you solve it?

1. drop the job entries when drop spaces.
2. skip the spaces not exist when check rebuilding jobs.

Special notes for your reviewer, ex. impact of this fix, design document, etc:

Checklist:

Tests:

• Unit test(positive and negative cases)
• Function test
• Performance test
• N/A

Affects:

• Documentation affected (Please add the label if documentation needs to be modified.)
• Incompatibility (If it breaks the compatibility, please describe it and add the label.）
• If it's needed to cherry-pick (If cherry-pick to some branches is required, please label the destination version(s).)
• Performance impacted: Consumes more CPU/Memory

Release notes:

Please confirm whether to be reflected in release notes and how to describe:

ex. Fixed the bug .....

[codecov-commenter]

Codecov Report

Base: 84.56% // Head: 76.87% // Decreases project coverage by -7.68% ⚠️

Coverage data is based on head (f22de7d) compared to base (63a63ac).
Patch coverage: 83.60% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4888      +/-   ##
==========================================
- Coverage   84.56%   76.87%   -7.69%     
==========================================
  Files        1358     1102     -256     
  Lines      136387    80980   -55407     
==========================================
- Hits       115331    62254   -53077     
+ Misses      21056    18726    -2330     

Impacted Files	Coverage Δ
src/common/datatypes/Value.h	97.05% <ø> (ø)
src/common/function/FunctionManager.cpp	79.32% <ø> (-0.05%)	⬇️
src/graph/executor/StorageAccessExecutor.cpp	83.07% <ø> (-1.65%)	⬇️
src/graph/executor/admin/SubmitJobExecutor.cpp	56.94% <ø> (+0.78%)	⬆️
src/graph/executor/algo/ShortestPathBase.h	50.00% <ø> (ø)
src/graph/service/CloudAuthenticator.cpp	0.00% <0.00%> (ø)
src/graph/util/Utils.h	100.00% <ø> (ø)
src/kvstore/Listener.h	39.13% <ø> (ø)
src/kvstore/Part.h	100.00% <ø> (ø)
src/kvstore/raftex/RaftPart.h	100.00% <ø> (ø)
... and 354 more

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