[FIX] css: unify lines in view log menu
This prevents lines in bold font to be larger than normal one and produce a gap in lines (in Firefox at least)
[FIX] search: add delay of 250us (was 0) on autocomplete fields in search bar and m2o fields.
This avoids making a search request for each keypressed
[FIX] css: remove useless css properties
float:left with cleartext hack is the same as no properties, and it's working in firefox