Fix(instances): instance name prop is missing (#405)

* add name to instances

* set name only if it is not empty

speckle_connector_3/src/sketchup_model/definitions/definition_manager.rb

@@ -52,6 +52,7 @@ module SpeckleConnector3
 
           instance_proxies[instance_id] = SpeckleObjects::InstanceProxy.new(
             definition_id,
+            entity.name,
             SpeckleObjects::Other::Transform.from_transformation(entity.transformation, @units).value,
             depth,
             @units,

speckle_connector_3/src/speckle_objects/instance_proxy.rb

@@ -8,12 +8,13 @@ module SpeckleConnector3
   module SpeckleObjects
     class InstanceProxy < Base
       SPECKLE_TYPE = SPECKLE_CORE_MODELS_INSTANCES_INSTANCE_PROXY
-      def initialize(definition_id, transform, max_depth, units, sketchup_attributes: {}, application_id: nil)
+      def initialize(definition_id, name, transform, max_depth, units, sketchup_attributes: {}, application_id: nil)
         super(
           speckle_type: SPECKLE_TYPE,
           application_id: application_id,
           id: nil
         )
+        self[:name] = name if name != ""
         self[:units] = units
         self[:definitionId] = definition_id
         self[:maxDepth] = max_depth
@@ -24,9 +25,11 @@ module SpeckleConnector3
       def self.to_native(state, instance_proxy, layer, entities, definition_proxies, &_convert_to_native)
         definition_id = instance_proxy['definitionId']
         proxy_transform = instance_proxy['transform']
+        name = instance_proxy['name']
         transform = Other::Transform.to_native(proxy_transform, instance_proxy['units'])
         definition = definition_proxies[definition_id].definition
         instance = entities.add_instance(definition, transform)
+        instance.name = name if name
 
         unless instance_proxy['properties'].nil?
           SketchupModel::Dictionary::BaseDictionaryHandler