Fix panic when scrolling a TextEditor inside a scrollable

graphics/src/text/editor.rs

@@ -456,12 +456,16 @@ impl editor::Editor for Editor {
                 }
             }
             Action::Scroll { lines } => {
+                let (_, height) = editor.buffer().size();
+
+                if height < i32::MAX as f32 {
                     editor.action(
                         font_system.raw(),
                         cosmic_text::Action::Scroll { lines },
                     );
                 }
             }
+        }
 
         self.0 = Some(Arc::new(internal));
     }