Search button to search exclusively in a space

[prafulmathews]

This is something I've wished was there when I have a lot of tabs open in multiple spaces, a lot of which are from the same site. Obviously searching tabs is already present, maybe its a personal preference but when I am in a particular space I only want to search tabs in that space. I messed around with the code to enable that and if anyone wants to take a look they can find it here https://github.com/prafulmathews/zen-desktop