tool_lp/dialogue adds content after render breaking moodle-core-lockscroll

Resize your window very small (850px x 400px or a landscape tablet more or less) Open a modal dialogue Verify the dialogue opened full screen Try and scroll Close the dialogue Verify the page scroll position was not changed while the dialogue was open Make your screen a little wider Open a modal dialogue that does not fit vertically in the window (use the competency picker) Verify you can scroll up and down to see all of the content of the dialogue Close the dialogue Check the JS console for errors/warnings Make the window bigger so the whole dialogue fits Open a the competency picker Verify you cannot scroll up and down but can see the whole content of the dialogue Close the dialogue Check the JS console for errors/warnings Nested dialogue check. Create a competency framework with a competency, add it to a course. View the course competency breakdown report. On a TINY window (like 100px high) click on the table cell with a rating to open the rate competency dialogue. Verify you can scroll up and down to see the entire dialogue. Click on the "Rate" button to open a nested dialogue. Verify you can scroll up and down to see the entire nested dialogue. Close the nested dialogue. Verify you can still scroll up and down to see the entire rating dialogue. Close the dialogue. Verify you can scroll the page up and down again.