feat(scratchpad): re-enable scratchpad module

SD-192
feat(scratchpad): re-enable scratchpad module
Cosmetics fix on archive
feat(core): changed activities and media directives to better cover different use cases.
feat(scratchpad): added remove activity for scratchpad.
fix(scratchpad): fixed minor promise issue in scratchpad service.
Scratchpad styling issues fixed

scratchpad remove icon
scratchpad horizontal scroll
test(archive): add initial e2e test for archive page