WD-8617 - fix: Fix displaying the first colorless part of the message in WebCLI

[vladimir-cucu]

Done

• Issue resolved: Until now, if the content in the WebCLI started straight away with a color, we displayed twice the beginning of the content. The second time it was displayed without color and with the color encoding appended to it (see screenshots).

Details

• https://warthogs.atlassian.net/browse/WD-8617

Screenshots

Before:

After:

[webteam-app]

Demo starting at https://juju-dashboard-1697.demos.haus

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0559f36) 95.07% compared to head (8775719) 95.13%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1697      +/-   ##
==========================================
+ Coverage   95.07%   95.13%   +0.06%     
==========================================
  Files         183      183              
  Lines        5359     5369      +10     
  Branches     1555     1568      +13     
==========================================
+ Hits         5095     5108      +13     
+ Misses        243      241       -2     
+ Partials       21       20       -1     

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[huwshimi]

Seems to work now.

[huwshimi]

Thanks, this is much cleaner now.