UI: Expose 'Region Toggle Pie' without Developer Extras

As discussed recently in the Sculpt, Paint & Texture module meeting.
There is a desire to move this setting out from being hidden behind
developer extras so that it can be discovered more easily.

Unlike other experimental options, the ability to toggle this setting is
still present in release builds.

Pull Request: https://projects.blender.org/blender/blender/pulls/140169

scripts/presets/keyconfig/Blender.py

@@ -89,7 +89,6 @@ class Prefs(bpy.types.KeyConfigPreferences):
         update=update_fn,
     )
 
-    # Experimental: only show with developer extras, see: #107785.
     use_region_toggle_pie: BoolProperty(
         name="Region Toggle Pie",
         description=(
@@ -297,9 +296,8 @@ class Prefs(bpy.types.KeyConfigPreferences):
         row = sub.row()
         row.prop(self, "use_select_all_toggle")
 
-        if show_developer_ui:
-            row = sub.row()
-            row.prop(self, "use_region_toggle_pie")
+        row = sub.row()
+        row.prop(self, "use_region_toggle_pie")
 
         # 3DView settings.
         col = layout.column()
@@ -347,7 +345,7 @@ def load():
             use_mouse_emulate_3_button=use_mouse_emulate_3_button,
             spacebar_action=kc_prefs.spacebar_action,
             use_key_activate_tools=(kc_prefs.tool_key_mode == 'TOOL'),
-            use_region_toggle_pie=(show_developer_ui and kc_prefs.use_region_toggle_pie),
+            use_region_toggle_pie=kc_prefs.use_region_toggle_pie,
             v3d_tilde_action=kc_prefs.v3d_tilde_action,
             use_v3d_mmb_pan=(kc_prefs.v3d_mmb_action == 'PAN'),
             v3d_alt_mmb_drag_action=kc_prefs.v3d_alt_mmb_drag_action,