Fix disable a real time cube and then enable it ,this cube may can't submit build job anymore bug

[wangxiaojing123]

issue link : https://issues.apache.org/jira/browse/KYLIN-4203

[codecov-io]

Codecov Report

Merging #898 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master     #898      +/-   ##
============================================
- Coverage     25.47%   25.45%   -0.02%     
+ Complexity     6110     6107       -3     
============================================
  Files          1410     1410              
  Lines         84932    84938       +6     
  Branches      11903    11905       +2     
============================================
- Hits          21636    21623      -13     
- Misses        61219    61233      +14     
- Partials       2077     2082       +5

Impacted Files	Coverage Δ	Complexity Δ
...ava/org/apache/kylin/rest/service/CubeService.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...he/kylin/dict/lookup/cache/RocksDBLookupTable.java	72.97% <0%> (-5.41%)	6% <0%> (-1%)
...org/apache/kylin/rest/util/QueryRequestLimits.java	35.71% <0%> (-4.77%)	5% <0%> (-1%)
.../apache/kylin/cube/cuboid/TreeCuboidScheduler.java	63.84% <0%> (-2.31%)	0% <0%> (ø)
...rg/apache/kylin/cube/inmemcubing/MemDiskStore.java	69.6% <0%> (-1.52%)	7% <0%> (ø)
...a/org/apache/kylin/dict/Number2BytesConverter.java	81.74% <0%> (-0.8%)	17% <0%> (-1%)

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[coveralls]

Pull Request Test Coverage Report for Build 5138

• 0 of 6 (0.0%) changed or added relevant lines in 1 file are covered.
• 4 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.003%) to 27.912%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java	0	6	0.0%

Files with Coverage Reduction	New Missed Lines	%
server-base/src/main/java/org/apache/kylin/rest/service/CubeService.java	1	0.0%
server-base/src/main/java/org/apache/kylin/rest/util/QueryRequestLimits.java	1	47.62%
core-cube/src/main/java/org/apache/kylin/cube/cuboid/TreeCuboidScheduler.java	2	68.46%

Totals
Change from base Build 5126:	-0.003%
Covered Lines:	23708
Relevant Lines:	84938

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💛 - Coveralls

[hit-lacus]

Look fine to me, and I will do a test in my env. Thank you!

[nichunen]

LGTM