ifcsverchok bonsai integration - support editing parametric properties from UI

Demo - https://files.catbox.moe/extsxf.mp4

But now it requires ifcsverchok graph to be nested inside a subgroup because we need a way to indicate which graph parameters are important, so user can modify them from Parametric Geometry tab without actually explicitly opening sverchok graph.

src/bonsai/bonsai/bim/module/model/ui.py

@@ -694,6 +694,15 @@ class BIM_PT_external_parametric_geometry(bpy.types.Panel):
                     print(res)
                     layout.label(text=f"Error Updating from Graph, See System Console", icon="ERROR")
 
+                layout.label(text="Parameters:")
+                box = layout.box()
+
+                group_node = tool.Model.get_ifcsverchok_group_node(props.sverchok_nodes)
+                node_tree = group_node.node_tree
+
+                for socket, interface_socket in zip(group_node.inputs, node_tree.sockets("INPUT")):
+                    socket.draw_group_property(box, socket.name, interface_socket)
+
 
 def draw_door_properties(layout: bpy.types.UILayout, props: module_prop.BIMDoorProperties) -> None:
     """Draw door properties UI (shared between properties panel and preferences)."""

src/bonsai/bonsai/tool/model.py

@@ -67,6 +67,7 @@ if TYPE_CHECKING:
         BIMExternalParametricGeometryProperties,
         BIMPolylineProperties,
     )
+    from sverchok.core.node_group import SvGroupTreeNode
 
 
 class Model(bonsai.core.tool.Model):
@@ -2565,13 +2566,21 @@ class Model(bonsai.core.tool.Model):
 
         return [s for s in group_node.inputs if s.type != "GEOMETRY"]
 
+    @classmethod
+    def get_ifcsverchok_group_node(cls, node_tree: sverchok.node_tree.SverchCustomTree) -> SvGroupTreeNode:
+        from sverchok.core.node_group import SvGroupTreeNode
+
+        return next(n for n in node_tree.nodes if isinstance(n, SvGroupTreeNode) and n.label == "BBIM_EPG")
+
     @classmethod
     def get_ifcsverchok_shape_output(
         cls, node_tree: sverchok.node_tree.SverchCustomTree
     ) -> ifcsverchok.nodes.ifc.shape_builder.shape_output.SvSbShapeOutput:
         from ifcsverchok.nodes.ifc.shape_builder.shape_output import SvSbShapeOutput
 
-        return next(n for n in node_tree.nodes if isinstance(n, SvSbShapeOutput))
+        group_node = cls.get_ifcsverchok_group_node(node_tree)
+        subtree = group_node.node_tree
+        return next(n for n in subtree.nodes if isinstance(n, SvSbShapeOutput))
 
     @classmethod
     def update_mesh_from_sverchok(