Improved the dialogs for local data sources and the Batch Processing assistant (#1096)

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

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

@@ -253,7 +253,7 @@ public partial class DataSourceLocalDirectoryDialog : MSGComponentBase
         Path = this.dataPath,
         FilePatterns = this.NormalizeFilePatterns(),
 
-        // Kept as typed, since the line breaks group the entries for the eye:
+        // Unlike the file patterns, no normalizing, since the exclusion editor passes on valid lists only:
         ExcludePatterns = this.dataExcludePatterns,
         MaxFileSizeMegabytes = this.dataMaxFileSizeMegabytes,
         IncludeSubdirectories = this.dataIncludeSubdirectories,
@@ -301,7 +301,7 @@ public partial class DataSourceLocalDirectoryDialog : MSGComponentBase
 
     private string NormalizeFilePatterns() => FileNamePatterns.Normalize(this.dataFilePatterns);
 
-    private void RestoreDefaultExcludePatterns() => this.dataExcludePatterns = FileExclusions.DEFAULT_PATTERNS;
+    private void RestoreDefaultFilePatterns() => this.dataFilePatterns = DataSourceLocalDirectory.DEFAULT_FILE_PATTERNS;
 
     /// <summary>
     /// Gives the fields which are checked against each other a fresh verdict: the embedding provider