Always paint text decoration when painting inset.

Fixes bug #11402.

(cherry picked from commit 621c908f85)

src/RowPainter.cpp

@@ -118,6 +118,7 @@ void RowPainter::paintInset(Row::Element const & e) const
 	e.inset->drawBackground(pi_, x1, yo_);
 	e.inset->drawSelection(pi_, x1, yo_);
 	e.inset->draw(pi_, x1, yo_);
+	paintTextDecoration(e);
 
 	// Restore full_repaint status.
 	pi_.full_repaint = pi_full_repaint;
@@ -585,7 +586,6 @@ void RowPainter::paintText()
 
 		case Row::INSET:
 			paintInset(e);
-			paintTextDecoration(e);
 			break;
 
 		case Row::SPACE:

status.23x

@@ -216,6 +216,7 @@ What's new
 - Handle some cases where the change bar in the margin did not get updated 
   (bug 11396).
 
+- Handle some cases where underline across insets did not painted (bug 11402).
 
 
 * INTERNALS