[DOJOT-75] [DOJOT-76] Feature - Unique Labels

[LuanEdCosta]

• Please check if the PR fulfills these requirements

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  Feature

• What is the current behavior? (You can also link to an open issue here)
  You can create multiple devices and templates with the same label

• What is the new behavior (if this is a feature change)?
  Now the label of devices and templates are unique.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
  Yes.

1. Delete or rename all devices and templates with repeated labels
2. Apply new migrations on existing databases

• Is there any issue related to this PR in other repository? (such as dojot/dojot)
  https://dojot.atlassian.net/browse/DOJOT-75
  https://dojot.atlassian.net/browse/DOJOT-76

[LuanEdCosta]

The CI stuck and I don't know why.
I think I need some help here to run the CI or to run tests locally to check if everything is fine.

[codecov]

Codecov Report

Merging #201 (d7436a2) into development (7fb82f3) will increase coverage by 0.50%.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           development     #201      +/-   ##
===============================================
+ Coverage        82.48%   82.99%   +0.50%     
===============================================
  Files               28       28              
  Lines             2490     2529      +39     
===============================================
+ Hits              2054     2099      +45     
+ Misses             436      430       -6     

Flag	Coverage Δ
Device-manager	82.99% <100.00%> (+0.50%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
DeviceManager/DatabaseModels.py	86.27% <100.00%> (+0.98%)	⬆️
DeviceManager/TemplateHandler.py	63.98% <100.00%> (+0.96%)	⬆️
tests/test_device_handler.py	99.71% <100.00%> (+0.01%)	⬆️
tests/test_template_handler.py	100.00% <100.00%> (ø)
DeviceManager/DeviceHandler.py	65.50% <0.00%> (+0.31%)	⬆️

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[rodrigoaasm]

Insufficient unit test coverage.

[rodrigoaasm]

Ok