Added indexes on jBatch tables to improve performances

[Coduz]

Looking at the access on jBatch SQL tables we found that some query where not using indexes, which could be a performance issue.

Related Issue
None

Description of the solution adopted
Checking the jBatch DAOs in job-engine-jbatch module, indexes have been created accordingly.

Screenshots
None

Any side note on the changes made
None

[codecov]

Codecov Report

Merging #3191 (680e19c) into develop (dd481c5) will increase coverage by 0.05%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #3191      +/-   ##
=============================================
+ Coverage      63.06%   63.11%   +0.05%     
- Complexity      2489     2494       +5     
=============================================
  Files           1118     1118              
  Lines          23146    23146              
  Branches        2004     2004              
=============================================
+ Hits           14597    14609      +12     
+ Misses          7627     7618       -9     
+ Partials         922      919       -3     

Impacted Files	Coverage Δ	Complexity Δ
...obDeviceManagementOperationManagerServiceImpl.java	76.82% <0.00%> (-2.44%)	14.00% <0.00%> (ø%)
...nnection/internal/DeviceConnectionServiceImpl.java	67.41% <0.00%> (-2.25%)	16.00% <0.00%> (-1.00%)
...pse/kapua/commons/service/internal/ServiceDAO.java	74.21% <0.00%> (-0.32%)	0.00% <0.00%> (ø%)
.../jbatch/persistence/JPAPersistenceManagerImpl.java	31.60% <0.00%> (+1.03%)	30.00% <0.00%> (ø%)
...apua/job/engine/jbatch/JobEngineServiceJbatch.java	51.85% <0.00%> (+1.85%)	8.00% <0.00%> (ø%)
...ce/management/commons/call/DeviceCallExecutor.java	67.44% <0.00%> (+4.65%)	0.00% <0.00%> (ø%)
...ua/broker/core/listener/DeviceMessageListener.java	67.44% <0.00%> (+6.97%)	0.00% <0.00%> (ø%)
.../DeviceManagementOperationRegistryServiceImpl.java	73.21% <0.00%> (+7.14%)	16.00% <0.00%> (+4.00%)
...ob/engine/jbatch/exception/JobEngineException.java	66.66% <0.00%> (+33.33%)	2.00% <0.00%> (+1.00%)
.../engine/jbatch/exception/JobResumingException.java	50.00% <0.00%> (+50.00%)	1.00% <0.00%> (+1.00%)