Added the Model Comparison assistant for blind comparisons of two models (#1009)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Components/ProviderSelectionWithConfidence.razor

@@ -0,0 +1,13 @@
+@inherits MSGComponentBase
+
+<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="2" Wrap="Wrap.NoWrap">
+    @* ProviderSelection marks its select as flex-grow-0, and that utility is declared !important, so StretchItems
+       cannot widen it. The width has to come from here. *@
+    <div class="flex-grow-1">
+        <ProviderSelection ProviderSettings="@this.ProviderSettings" ProviderSettingsChanged="@this.ProviderSettingsChanged" ValidateProvider="@this.ValidateProvider"/>
+    </div>
+    @if (this.SettingsManager.ConfigurationData.Confidence.ShowProviderConfidence)
+    {
+        <ConfidenceInfo LLMProvider="@this.ProviderSettings.UsedLLMProvider"/>
+    }
+</MudStack>