Fix file metadata save

CHDataManagement/Model/FileType.swift

@@ -235,3 +235,10 @@ enum FileType: String {
         }
     }
 }
+
+extension FileType: CustomStringConvertible {
+
+    var description: String {
+        rawValue
+    }
+}

CHDataManagement/Views/Files/AddFileView.swift

@@ -108,6 +108,9 @@ struct AddFileView: View {
             content.add(resource)
             selectedFile = resource
         }
+        // We need to ensure that the metadata file is written to disk directly
+        content.saveUnconditionally()
+        
         content.generateMissingVideoThumbnails()
         dismiss()
     }

CHDataManagement/Views/Files/FileDetailView.swift

@@ -181,6 +181,7 @@ struct FileDetailView: View {
         markFileAsChanged()
         if file.isExternallyStored {
             DispatchQueue.main.async {
+                // This will also trigger a save
                 file.isExternallyStored = false
             }
         }
@@ -215,6 +216,7 @@ struct FileDetailView: View {
             return
         }
         DispatchQueue.main.async {
+            // This will also trigger a save
             file.fileSize = nil
             file.isExternallyStored = true
         }
@@ -225,6 +227,7 @@ struct FileDetailView: View {
             print("File '\(file.identifier)': Failed to delete file in content folder")
             return
         }
+        // This will also trigger a save
         content.remove(file)
         selection.remove(file)
     }