Description:
Some feature (colors conditional formatting and Icone conditional formatting)
in the Conditional formatting window doesn't work at all, can't select value boxes to enter values Min Max)

Steps to Reproduce:
1.Clic on a cell
2.Clic on the Conditional formatting icon in the dock (must choose the auto-color one)
3.Try to put a value below Min or Max box (middle morks, but min or max doesn't)

Actual Results:  
Can't click in value box when Min in scroll menue selected
Can't click in value box when Max in scroll menue selected

Expected Results:
Supposed to let user enter values so then cell's can automaticaly change color with values in the cells 


Reproducible: Always

User Profile Reset: No

Additional Info:
[Information automatically included from LibreOffice]
Locale: fr
Module: SpreadsheetDocument
[Information guessed from browser]
OS: Windows (All)
OS is 64bit: yes
Builds ID: LibreOffice 5.1.5.2


User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36