Add multi select filter(s)

[JCZuurmond]

Resolves #169 Stacked on #150

See below the widgets with different number of filters and sizes:

[github-actions[bot]]

✅ 33/33 passed, 3 flaky, 2 skipped, 8m30s total

Flaky tests:

• 🤪 test_dashboard_deploys_dashboard_with_table (21.479s)
• 🤪 test_dashboards_deploys_dashboard_with_order_overwrite (22.267s)
• 🤪 test_dashboard_deploys_dashboard_with_display_name (27.567s)

_{Running from acceptance #222}