Guard output summary adjustments behind adjustments_enabled flag

Rotation, flip, brightness, contrast, and other adjustment operations
only appear in the output step summary when the adjustments step is
enabled in the workflow configuration.

pixstrip-gtk/src/app.rs

@@ -2185,6 +2185,7 @@ fn update_output_summary(ui: &WizardUi) {
                 ops.push("Sequential rename".to_string());
             }
         }
+        if cfg.adjustments_enabled {
             if cfg.rotation > 0 {
                 let rot = match cfg.rotation {
                     1 => "Rotate 90",
@@ -2240,6 +2241,7 @@ fn update_output_summary(ui: &WizardUi) {
             if cfg.canvas_padding > 0 {
                 ops.push(format!("Padding {}px", cfg.canvas_padding));
             }
+        }
 
         let summary_text = if ops.is_empty() {
             "No operations configured".to_string()