BoxQuerier returns box minimum size as a fallback for reccomended sizes

internal/system/boxquerier.go

@@ -20,6 +20,7 @@ func (querier boxQuerier) RecommendedWidth (index int, height int) int {
 		if box, ok := box.(anyContentBox); ok {
 			return box.recommendedWidth(height)
 		}
+		return box.minimumSize().X
 	}
 	return 0
 }
@@ -29,6 +30,7 @@ func (querier boxQuerier) RecommendedHeight (index int, width int) int {
 		if box, ok := box.(anyContentBox); ok {
 			return box.recommendedHeight(width)
 		}
+		return box.minimumSize().Y
 	}
 	return 0
 }