Add deform axis for Simple Deform modifier

D2989 by @dmarra w/ own edits

release/scripts/startup/bl_ui/properties_data_modifier.py

@@ -848,10 +848,18 @@ class DATA_PT_modifiers(ModifierButtonsPanel, Panel):
         col.label(text="Axis, Origin:")
         col.prop(md, "origin", text="")
 
+        col.prop(md, "deform_axis")
+
         if md.deform_method in {'TAPER', 'STRETCH', 'TWIST'}:
-            col.label(text="Lock:")
-            col.prop(md, "lock_x")
-            col.prop(md, "lock_y")
+            row = col.row(align=True)
+            row.label(text="Lock:")
+            deform_axis = md.deform_axis
+            if deform_axis != 'X':
+                row.prop(md, "lock_x")
+            if deform_axis != 'Y':
+                row.prop(md, "lock_y")
+            if deform_axis != 'Z':
+                row.prop(md, "lock_z")
 
         col = split.column()
         col.label(text="Deform:")