Ensure Entities submission config is setup & ensure Solr image starts after main one

docker/docker-compose-ci.yml

@@ -65,6 +65,9 @@ services:
     container_name: dspacesolr
     # Uses official Solr image at https://hub.docker.com/_/solr/
     image: solr:8.8
+    # Needs main 'dspace' container to start first to guarantee access to solr_configs
+    depends_on:
+    - dspace
     networks:
       dspacenet:
     ports: