Added ghost elements to avoid focusing on them

src/elements/flex.rs

@@ -78,6 +78,10 @@ impl Element for FlexRow {
         element.inject(|w| w.component(NoRenderRoot));
     }
 
+    fn is_ghost(&mut self) -> bool {
+        true
+    }
+
     fn as_any(&self) -> &dyn std::any::Any {
         self
     }
@@ -123,6 +127,10 @@ impl Element for FlexCol {
         element.inject(|w| w.component(NoRenderRoot));
     }
 
+    fn is_ghost(&mut self) -> bool {
+        true
+    }
+
     fn as_any(&self) -> &dyn std::any::Any {
         self
     }