Fix tplink clippy warnings

bin/src/display/tplink_framebuffer.rs

@@ -68,7 +68,7 @@ impl GenericFramebuffer for Framebuffer {
             );
 
             if res < 0 {
-                panic!("failed to send FBIORECT_DISPLAY ioctl, {}", res);
+                panic!("failed to send FBIORECT_DISPLAY ioctl, {res}");
             }
         }
     }

bin/src/display/tplink_onebit.rs

@@ -148,7 +148,7 @@ pub fn update_ui(
             // we write the status every second because it may have been overwritten through menu
             // navigation.
             if display_level != 0 {
-                if let Err(e) = fs::write(OLED_PATH, &pixels) {
+                if let Err(e) = fs::write(OLED_PATH, pixels) {
                     error!("failed to write to display: {e}");
                 }
             }