feat(resource): add comparison view (DSP-1796) (#490)

* feat(resource viewer): upgrade dsp-ui-lib version

* feat(resource viewer): use new resource viewer for single selection (old case)

* chore(deps): use correct ng version

* feat(resource): comparison viewer

* chore(deps): bump dsp-ui to latest version

* refactor(resource): clean up code

* refactor(resource): clean up code

* chore(resource): display results with multiple selection option

* chore(resource): resolve some issues

* chore(deps): bump dsp-ui to latest version

* chore(deps): bump dsp-ui to latest version

Co-authored-by: Snehal Kumbhar <snehal.kumbhar@unil.ch>

Author: kilchenmann