feat(Console): support Icon theme

[ArgoZhang]

support Icon theme

Description

close #760

[codecov]

Codecov Report

Merging #761 (a4e9a87) into main (aefa891) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #761   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          477       477           
  Lines        15222     15226    +4     
=========================================
+ Hits         15222     15226    +4     

Impacted Files	Coverage Δ
...BootstrapBlazor/Components/Cascader/Cascader.razor	100.00% <ø> (ø)
...tstrapBlazor/Components/Cascader/SubCascader.razor	100.00% <ø> (ø)
...ootstrapBlazor/Components/Collapse/CollapseItem.cs	100.00% <ø> (ø)
...tstrapBlazor/Components/Cascader/Cascader.razor.cs	100.00% <100.00%> (ø)
...rapBlazor/Components/Cascader/SubCascader.razor.cs	100.00% <100.00%> (ø)
...ootstrapBlazor/Components/Console/Console.razor.cs	100.00% <100.00%> (ø)
src/BootstrapBlazor/Services/DefaultIconTheme.cs	100.00% <100.00%> (ø)

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