Fix a smol bug.

src/component/image.rs

@@ -49,7 +49,7 @@ impl Image {
     }
 
     pub fn show(&mut self, ui: &mut Ui, texture: &TextureHandle) {
-        let mut window = Window::new(texture.name())
+        let mut window = Window::new(format!("{}-{}", texture.name(), self.height))
             .title_bar(false)
             .resizable(false)
             // Reduce margin of images.