ui: Add buffer_font method to labels (#24479)

Now you don't need to wrap the `Label` in a `div` anymore 

Release Notes:

- N/A

Co-authored-by: Danilo <danilo@zed.dev>

crates/ui/src/components/label/label.rs

@@ -172,6 +172,11 @@ impl LabelCommon for Label {
         self.base = self.base.single_line();
         self
     }
+
+    fn buffer_font(mut self, cx: &App) -> Self {
+        self.base = self.base.buffer_font(cx);
+        self
+    }
 }
 
 impl RenderOnce for Label {