All Generation/Execution sources lists now work as datatable:
-- user can filter sources by name
-- datatables display items (sources) count and add pagination when necessary
Added checkbox to hide sources without generation/execution results
Two types of generation/execution tables
-- for Characterizations, Pathways, PLP and PLE (with results versioning)
-- for Cohorts and Incidence Rates (without versioning, displaying results in the table)
Resolves #2776