Merge pull request #2739 from alicevision/fix/attribute-linkedIn-out-qml-warnings

[ui] [fix] Attribute: Fix the qml warnings on intrisincs

Author: fabiencastan

meshroom/core/attribute.py

@@ -502,8 +502,12 @@ def _is2D(self) -> bool:
     isLinkNested = isLink
     hasOutputConnectionsChanged = Signal()
     hasOutputConnections = Property(bool, hasOutputConnections.fget, notify=hasOutputConnectionsChanged)
-    linkedInAttributes = Property(Variant, getLinkedInAttributes)
-    linkedOutAttributes = Property(Variant, getLinkedOutAttributes)
+
+    linkedInAttributesChanged = Signal()
+    linkedInAttributes = Property(Variant, getLinkedInAttributes, notify=linkedInAttributesChanged)
+    linkedOutAttributesChanged = Signal()
+    linkedOutAttributes = Property(Variant, getLinkedOutAttributes, notify=linkedOutAttributesChanged)
+
     isDefault = Property(bool, _isDefault, notify=valueChanged)
     linkParam = Property(BaseObject, getLinkParam, notify=isLinkChanged)
     rootLinkParam = Property(BaseObject, lambda self: self.getLinkParam(recursive=True), notify=isLinkChanged)