Fix: Reset object settings not working for plate's Skirt Start Angle and Other Layers Sequence (#10482)

* init

src/slic3r/GUI/PartPlate.hpp

@@ -227,6 +227,9 @@ public:
     BedType get_bed_type(bool load_from_project = false) const;
     void set_bed_type(BedType bed_type);
     void reset_bed_type();
+
+    void reset_skirt_start_angle();
+
     DynamicPrintConfig* config() { return &m_config; }
 
     // set print sequence per plate