refactor: remove getComputedStyle check for colorIndex validation #10300
      
        
          +3
        
        
          −34
        
        
          
        
      
    
  
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Description
The avatar's colorIndex property validation was necessary when the corresponding CSS properties were shipped only as part of the Lumo and Material themes and weren't available in the base styles. Since these properties are now included in the base styles, the warning is no longer well justified. Considering that it requires a
getComputedStyle()call, which can have a significant performance impact as shown below, it's better to remove it altogether.Performance measurements were taken with a 4x CPU throttle on
dev/aura.html.Type of change