Flush pending underline when we are at the end of the line

gpui/src/text_layout.rs

@@ -315,6 +315,7 @@ impl Line {
                     color,
                 });
             }
+        }
 
         if let Some(underline_start) = underline_start.take() {
             let line_end = origin + baseline_offset + vec2f(self.layout.width, 0.);
@@ -327,7 +328,6 @@ impl Line {
             });
         }
     }
-    }
 
     pub fn paint_wrapped(
         &self,