use icons to display workspace phase

[adietish]

depends on #171

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.00%. Comparing base (71098f6) to head (55a372c).
⚠️ Report is 217 commits behind head on main.

Files with missing lines	Patch %	Lines
.../gateway/view/steps/DevSpacesWorkspacesStepView.kt	0.00%	9 Missing ⚠️
...tlin/com/redhat/devtools/gateway/DevSpacesIcons.kt	0.00%	7 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##            main    #178    +/-   ##
======================================
  Coverage   0.00%   0.00%            
======================================
  Files          4      29    +25     
  Lines         26     952   +926     
  Branches       0     151   +151     
======================================
- Misses        26     952   +926     

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[adietish]

this PR is replacing phase text [Running] or [Stopped] by icons when listing the workspaces

Here's how things are displayed without this patch:

The icons match the web UI:

[azatsarynnyy]

Nice UI improvements!