fixup! fixup! fix build and test errors due to proto v2 implementatio…

…n - introduce test_utils.Separator to deal with random whitespaces in string representations - use proto.Equal for comparison of proto Messages, often wrapped in custom functions to suit the particular purpose - use pointers to avoid copying or use proto.Clone where necessary to copy messages

Signed-off-by: Alexander zur Bonsen <alexander.zur.bonsen@tngtech.com>

orc8r/cloud/go/services/configurator/storage/sql_entity_write_helpers.go

@@ -235,7 +235,7 @@ func (store *sqlConfiguratorStorage) processEntityFieldsUpdate(pk string, update
 
 // entToUpdateOut is an output parameter
 func (store *sqlConfiguratorStorage) processEdgeUpdates(networkID string, update *EntityUpdateCriteria, entToUpdateOut *NetworkEntity) error {
-=	assocsToSetSpecified := update.AssociationsToSet != nil
+	assocsToSetSpecified := update.AssociationsToSet != nil
 	if !assocsToSetSpecified && funk.IsEmpty(update.AssociationsToAdd) && funk.IsEmpty(update.AssociationsToDelete) {
 		return nil
 	}