Fix unreachable code in textBox

internal/system/textbox.go

@@ -121,16 +121,16 @@ func (this *textBox) selectWithoutResettingDesiredX (dot text.Dot) bool {
 
 func (this *textBox) userSelect (dot text.Dot) bool {
 	if this.selec(dot) {
-		return true
 		this.on.dotChange.Broadcast()
+		return true
 	}
 	return false
 }
 
 func (this *textBox) userSelectWithoutResettingDesiredX (dot text.Dot) bool {
 	if this.selectWithoutResettingDesiredX(dot) {
-		return true
 		this.on.dotChange.Broadcast()
+		return true
 	}
 	return false
 }