move p_widget_custom_theme_color to correct location

app/src/main/res/values/keys.xml

@@ -327,6 +327,7 @@
   <string name="p_widget_compact">widget-compact-</string>
   <string name="p_widget_color">widget-color-</string>
   <string name="p_widget_color_v2">widget-color-v2</string>
+  <string name="p_widget_custom_theme_color">p_widget_custom_theme_color</string>
   <string name="p_widget_opacity">widget-opacity-v3-</string>
   <string name="p_widget_font_size">widget-font-size-</string>
   <string name="p_widget_show_due_date">widget-show-due-date-</string>

app/src/main/res/values/strings.xml

@@ -392,7 +392,6 @@ File %1$s contained %2$s.\n\n
   <string name="theme_day_night">Day/Night</string>
   <string name="theme_system_default">System default</string>
   <string name="theme_dynamic">Dynamic</string>
-  <string name="p_widget_custom_theme_color" translatable="false">p_widget_custom_theme_color</string>
   <string name="custom_theme_color">Custom theme color</string>
   <string name="language">Language</string>
   <string name="restart_required">Restart Tasks for this change to take effect</string>