Add namespaces to tasks (#7904)

* Namespaces for invoke tasks
Fixes #7852

* adjust various places that call re-namespaced tasks

* use full invoke command
easier for future refactors

* fix call name

* move worker to int

* adapt calls in tasks

* fix changed path

* ignore localhost links

* Avoid using internal names

contrib/container/docker-compose.yml

@@ -83,7 +83,7 @@ services:
         # If you wish to specify a particular InvenTree version, do so here
         image: inventree/inventree:${INVENTREE_TAG:-stable}
         container_name: inventree-worker
-        command: invoke worker
+        command: invoke int.worker
         depends_on:
             - inventree-server
         env_file: