Update the dropdown controller to accept the strategy

Author: Lucas Sousa

lib/ruby_ui/dropdown_menu/dropdown_menu_controller.js

@@ -23,6 +23,7 @@ export default class extends Controller {
     computePosition(this.triggerTarget, this.contentTarget, {
       placement: this.optionsValue.placement || "top",
       middleware: [flip(), shift(), offset(8)],
+      strategy: this.optionsValue.strategy || "absolute",
     }).then(({ x, y }) => {
       Object.assign(this.contentTarget.style, {
         left: `${x}px`,