Meshing: Add lplan and linear to meching options.

src/View/Geometry/Table.py

@@ -235,12 +235,12 @@ class GeometryReachTableModel(PamhyrTableModel):
         self.layoutAboutToBeChanged.emit()
         self.layoutChanged.emit()
 
-    def meshing(self, mesher, step):
+    def meshing(self, mesher, data):
         self.layoutAboutToBeChanged.emit()
 
         self._undo.push(
             MeshingCommand(
-                self._data, mesher, step
+                self._data, mesher, data
             )
         )