Fix disabled pickers in View Options sheet on tvOS

Use .pickerStyle(.menu) for Row Size, Columns, and Channel Strip
pickers on tvOS so they work inside a sheet without NavigationStack.

Yattee/Views/Components/ViewOptionsSheet.swift

@@ -55,6 +55,9 @@ struct ViewOptionsSheet: View {
                         Text("viewOptions.rowSize.regular").tag(VideoRowStyle.regular)
                         Text("viewOptions.rowSize.large").tag(VideoRowStyle.large)
                     }
+                    #if os(tvOS)
+                    .pickerStyle(.menu)
+                    #endif
                 }
 
                 // Grid-specific options
@@ -65,6 +68,7 @@ struct ViewOptionsSheet: View {
                             Text("\(count)").tag(count)
                         }
                     }
+                    .pickerStyle(.menu)
                     #else
                     Stepper(
                         "viewOptions.columns \(effectiveColumns)",
@@ -86,6 +90,9 @@ struct ViewOptionsSheet: View {
                             Text(size.displayName).tag(size)
                         }
                     }
+                    #if os(tvOS)
+                    .pickerStyle(.menu)
+                    #endif
                 }
             }
         }