Added provider icons (#934)

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

app/MindWork AI Studio/Dialogs/DataSourceLocalDirectoryDialog.razor

@@ -50,7 +50,14 @@
                 @foreach (var embedding in this.AvailableEmbeddings)
                 {
                     <MudSelectItem Value="@embedding.Value">
-                        @embedding.Name
+                        @if (this.GetEmbeddingProvider(embedding.Value) is { } provider)
+                        {
+                            <ProviderLabel ProviderType="@provider.UsedLLMProvider" CustomIconDataUrl="@provider.CustomIconDataUrl" Text="@embedding.Name" />
+                        }
+                        else
+                        {
+                            @embedding.Name
+                        }
                     </MudSelectItem>
                 }
             </MudSelect>
@@ -109,4 +116,4 @@
             }
         </MudButton>
     </DialogActions>
-</MudDialog>
+</MudDialog>