Add askTotalCount to REST Users query

[lorthirk]

Add askTotalCount parameter to REST Users query.

For details, see #2878

Related Issue
Fixes #3062

[codecov]

Codecov Report

Merging #3061 into develop will increase coverage by 0.03%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #3061      +/-   ##
=============================================
+ Coverage      57.79%   57.82%   +0.03%     
- Complexity      2591     2592       +1     
=============================================
  Files           1061     1061              
  Lines          22874    22874              
  Branches        2028     2028              
=============================================
+ Hits           13220    13228       +8     
+ Misses          8704     8699       -5     
+ Partials         950      947       -3     

Impacted Files	Coverage Δ	Complexity Δ
...apua/job/engine/jbatch/JobEngineServiceJbatch.java	42.59% <0.00%> (-7.41%)	6.00% <0.00%> (-2.00%)
...ce/management/commons/call/DeviceCallExecutor.java	62.79% <0.00%> (-4.66%)	0.00% <0.00%> (ø%)
...a/job/engine/jbatch/listener/KapuaJobListener.java	90.27% <0.00%> (-1.39%)	28.00% <0.00%> (-1.00%)
...e/kapua/job/engine/jbatch/driver/JbatchDriver.java	66.92% <0.00%> (-0.79%)	20.00% <0.00%> (-1.00%)
.../broker/core/plugin/KapuaSecurityBrokerFilter.java	75.23% <0.00%> (+0.92%)	0.00% <0.00%> (ø%)
...pse/kapua/commons/service/internal/ServiceDAO.java	70.75% <0.00%> (+1.57%)	0.00% <0.00%> (ø%)
...rvice/device/registry/common/DeviceValidation.java	73.75% <0.00%> (+2.50%)	15.00% <0.00%> (+1.00%)
.../eclipse/kapua/service/user/internal/UserImpl.java	76.31% <0.00%> (+5.26%)	17.00% <0.00%> (+1.00%)
...obDeviceManagementOperationManagerServiceImpl.java	79.26% <0.00%> (+6.09%)	14.00% <0.00%> (+1.00%)
...a/org/eclipse/kapua/commons/model/id/KapuaEid.java	81.25% <0.00%> (+6.25%)	0.00% <0.00%> (ø%)
... and 2 more