Created a new slice for labs, from there are made queries referring to labs, including search
functionalities. Fixed a very small bug on the sidebar, and also added english translation variables
for the new components.

fix HospitalRun#1971

…into feature/ability-to-filter-by-status-on-labs-screen

…into feature/ability-to-filter-by-status-on-labs-screen

…into feature/ability-to-filter-by-status-on-labs-screen

Modified the Repository, added a mapping function to add an index for each sort field required.
Tests were failing due to the lack of index when sorting

fix HospitalRun#1971

Suggested changes according to PR HospitalRun#2033 were added

fix HospitalRun#1971

Pulled changes from upstream

fix HospitalRun#1971

Improved search process by adding code search criteria to the pouchdb query

fix HospitalRun#1971

Added a test to prove search labs by code functionality

fix HospitalRun#1971