CMS-1498 TypeScript: Convert Filter panel to TypeScript

Converting space admin FilterPanel to typescript.
Copy-paste base filter panel code now, inheritance will be implemented later
Merge branch 'master' of github.com:enonic/wem-ce into CMS-1498

Conflicts:
	modules/wem-webapp/src/main/webapp/admin2/apps/space-manager/js/all.js
	modules/wem-webapp/src/main/webapp/admin2/apps/space-manager/js/all.js.map
	modules/wem-webapp/src/main/webapp/admin2/live-edit/js/all.js.map
Merge branch 'master' of github.com:enonic/wem-ce into CMS-1498

Conflicts:
	modules/wem-webapp/src/main/webapp/admin2/apps/space-manager/js/all.js
	modules/wem-webapp/src/main/webapp/admin2/apps/space-manager/js/all.js.map
	modules/wem-webapp/src/main/webapp/admin2/live-edit/js/all.js
Merge pull request #205 from enonic/CMS-1498

CMS-1498 TypeScript: Convert Filter panel to TypeScript