End text of text line is not displayed

4f768005c5

1. Create a score
2. Drop a text line (Pedal line for example) on the score
3. Right click it -> line properties
4. Change the end text and press OK

Expected result: the end text is displayed in the score
Actual result: the end text isn't displayed in the score

See this TODO in the code
https://github.com/musescore/MuseScore/blob/4f768005c548e7fcc499842cbee…