Geometry Nodes: show number of curve points in socket inspection tooltip

This was not done originally, because one had to iterate over all curves
to get the number of points which had some overhead. Now the number
of points is stored all the time anyway.

source/blender/editors/space_node/node_draw.cc

@@ -945,7 +945,8 @@ static void create_inspection_string_for_geometry_info(const geo_log::GeometryIn
         char line[256];
         BLI_snprintf(line,
                      sizeof(line),
-                     TIP_("\u2022 Curve: %s splines"),
+                     TIP_("\u2022 Curve: %s points, %s splines"),
+                     to_string(curve_info.points_num).c_str(),
                      to_string(curve_info.splines_num).c_str());
         ss << line;
         break;

source/blender/nodes/NOD_geometry_nodes_log.hh

@@ -126,6 +126,7 @@ class GeometryInfoLog : public ValueLog {
     int verts_num, edges_num, faces_num;
   };
   struct CurveInfo {
+    int points_num;
     int splines_num;
   };
   struct PointCloudInfo {

source/blender/nodes/intern/geometry_nodes_log.cc

@@ -89,6 +89,7 @@ GeometryInfoLog::GeometryInfoLog(const GeometrySet &geometry_set)
       case GEO_COMPONENT_TYPE_CURVE: {
         const CurveComponent &curve_component = *(const CurveComponent *)component;
         CurveInfo &info = this->curve_info.emplace();
+        info.points_num = curve_component.attribute_domain_size(ATTR_DOMAIN_POINT);
         info.splines_num = curve_component.attribute_domain_size(ATTR_DOMAIN_CURVE);
         break;
       }