[FIX]Fixed the issue of focus field in editable listview, clicking onnea...

...r to button(empty space near button) will throw error that focus_filed is undefined, this is because focus_field will not be there in field's list, also improved the focus when readonly field is clicked.

[FIX]Do not evict record from dataset, otherwise it will go to read from database and will do server call for read, if user is cancelling in one2many then there is no need to read record from database, this will also fix the issue of unorder execution of event trigger.

[FIX]Fixed the issue of alignment of readonly float and integer field in editable listview.

Task: https://www.odoo.com/web#id=9143&view_type=form&model=project.task&action=327
Pad: https://pad.odoo.com/p/r.GIYKOjIMF2g83ivp