Added provider icons (#934)

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

app/MindWork AI Studio/Dialogs/DataSourceLocalDirectoryDialog.razor.cs

@@ -95,6 +95,12 @@ public partial class DataSourceLocalDirectoryDialog : MSGComponentBase
     }
 
     #endregion
+
+    private EmbeddingProvider? GetEmbeddingProvider(string providerId)
+    {
+        var provider = this.SettingsManager.GetEmbeddingProviderById(providerId);
+        return provider == EmbeddingProvider.NONE ? null : provider;
+    }
     
     private bool SelectedCloudEmbedding => !(this.SettingsManager.ConfigurationData.EmbeddingProviders.FirstOrDefault(x => x.Id == this.dataEmbeddingId)?.IsTrustedForDataSourceSecurityChecks(this.SettingsManager) ?? false);
 
@@ -124,4 +130,4 @@ public partial class DataSourceLocalDirectoryDialog : MSGComponentBase
     }
     
     private void Cancel() => this.MudDialog.Cancel();
-}
+}