Improved RAG issue handling (#313)

app/MindWork AI Studio/Dialogs/DataSourceERI-V1InfoDialog.razor

@@ -59,7 +59,8 @@
                         <MudText Typo="Typo.h6" Class="mt-3">
                             Embeddings
                         </MudText>
-                        @if (!info.Embeddings.Any())
+                        @* ReSharper disable once ConditionIsAlwaysTrueOrFalseAccordingToNullableAPIContract *@
+                        @if (info.Embeddings is null || !info.Embeddings.Any())
                         {
                             <MudJustifiedText Typo="Typo.body1" Color="Color.Info" Class="mb-3">
                                 The data source does not provide any embedding information.

app/MindWork AI Studio/Dialogs/DataSourceERI-V1InfoDialog.razor.cs

@@ -130,7 +130,6 @@ public partial class DataSourceERI_V1InfoDialog : ComponentBase, IAsyncDisposabl
             }
             
             this.retrievalInfoformation = retrievalInfoResult.Data ?? [];
-            
             this.StateHasChanged();
         }
         catch (Exception e)