Description:
If I select a paragraph in Impress and check the Bullets and Numbering properties I select the Position tab on the dialog. I see that the first numbering level is selected, but the input fields are empty and does not show the correct values of this first level.
If I click on the number 1 on the left side (e.g. select the first level explicitly), values are set. I think the same values should be set when opening this tab, since first level is selected by default in the list on the left side.

Steps to Reproduce:
1. Open Impress
2. Select a paragraph with numbering
3. Open Bullets and Numbering dialog and Position tab

Actual Results:  
On Position tab input fields labeled as "Indent:" and "Width of numbering:" are empty. "Indent:" is also disabled. 

Expected Results:
On Position tab input fields labeled as "Indent:" and "Width of numbering:" should have values of the first numbering level.


Reproducible: Always

User Profile Reset: No

Additional Info:


User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36