D-Net

[Connect]: Update trunk to angular 11. Delete branch angular-11

[Connect | Trunk]: Delete properties resolver. Delete query param community id

[Trunk | Connect]
1. /connect-assets/:
a. In /about/ added updated icons (1.svg, 2.svg, 3.svg, 4.svg, cycle.svg) and removed .png.
b. In /banner/ added updated icons (login.svg, togetger.svg) and remove .png.
c. In /home/ added updated icons (1.svg, 2.svg, 3.svg, dashboard.svg) and removed .png....

[Connect|Trunk]
- use route instead of url for the community header
- update beta properties

[Connect|Trunk]

- update properties / use prod.prod propertis for production instance
- remove checks for production ready instances
- simplify sitemap
- remove subscribe for properties
- Add community title for custom filter
- update piwik ids - use the same for beta and production

[Connect|Trunk]

code clean up:

-remove unused imports, code, files (Old search pages for results, etc)
-remove Freeguard from modules
-unsubscribe all subscriptions
-Services: configuration, communities, subscribers, user management: unsubscribe from app component or the component that uses them (clearSubscriptions())...

[Connect|Trunk]

update meta urls and canonicalurl to get domain from properties instead of baseLink to work for community gateways

[Connect|Trunk]

Angular.json: file replacements fixes for beta/prod
Server.ts: build and serve sitemap.xml based on domain (Other for connect.openaire.eu, other for communities)

App component: add Organization & Search Action jsonld there (Remove from connect and community home page components) ...

[Trunk | Connect]:
1. community.component.html: Remove 'communityBackground' class | Use class 'generalSearchForm' instead of 'publicationsSearchForm'.
2. contentPage.component.ts & curators.component.html & nationalBulletinsPage.component.ts & organizationsPage.component.ts & projectsPage.component.ts & subjects.component.ts & invite.component.html: ...

[Connect | Trunk]: Add breadcrumbs on content, national bulletins and projects pages