replaced String.format() by kotlin string templates

[adietish]

depends on #171

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 157 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.00%. Comparing base (71098f6) to head (4781c50).
⚠️ Report is 210 commits behind head on main.

Files with missing lines	Patch %	Lines
...at/devtools/gateway/DevSpacesConnectionProvider.kt	0.00%	65 Missing ⚠️
.../gateway/view/steps/DevSpacesWorkspacesStepView.kt	0.00%	49 Missing ⚠️
.../redhat/devtools/gateway/openshift/DevWorkspace.kt	0.00%	11 Missing ⚠️
...com/redhat/devtools/gateway/DevSpacesConnection.kt	0.00%	10 Missing ⚠️
...com/redhat/devtools/gateway/util/ExceptionUtils.kt	0.00%	8 Missing ⚠️
.../redhat/devtools/gateway/server/RemoteIDEServer.kt	0.00%	5 Missing ⚠️
...edhat/devtools/gateway/view/DevSpacesWizardView.kt	0.00%	4 Missing ⚠️
...redhat/devtools/gateway/openshift/DevWorkspaces.kt	0.00%	2 Missing ⚠️
...ools/gateway/view/steps/DevSpacesServerStepView.kt	0.00%	2 Missing ⚠️
...lin/com/redhat/devtools/gateway/view/ui/Dialogs.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##            main    #172    +/-   ##
======================================
  Coverage   0.00%   0.00%            
======================================
  Files          4      28    +24     
  Lines         26     931   +905     
  Branches       0     145   +145     
======================================
- Misses        26     931   +905     

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