[1.x] Fix inability to click dropdown content in React version (#153)

* Fix inability to click dropdown content in React version

The click-away element was covering the content, even though the content
had a higher z-index, because the Transition component wrapped the
content in a `<div>` that started a new stacking context due to the
transform and opacity classes on it.

* Linting

stubs/inertia-react/resources/js/Components/Dropdown.js

@@ -1,4 +1,4 @@
-import React, { useState, useContext } from 'react';
+import React, { useState, useContext, Fragment } from 'react';
 import { Link } from '@inertiajs/inertia-react';
 import { Transition } from '@headlessui/react';
 
@@ -50,6 +50,7 @@ const Content = ({ align = 'right', width = '48', contentClasses = 'py-1 bg-whit
     return (
         <>
             <Transition
+                as={Fragment}
                 show={open}
                 enter="transition ease-out duration-200"
                 enterFrom="transform opacity-0 scale-95"
@@ -58,16 +59,12 @@ const Content = ({ align = 'right', width = '48', contentClasses = 'py-1 bg-whit
                 leaveFrom="transform opacity-100 scale-100"
                 leaveTo="transform opacity-0 scale-95"
             >
-                {open && (
-                    <div
-                        className={`absolute z-50 mt-2 rounded-md shadow-lg ${alignmentClasses} ${widthClasses}`}
-                        onClick={() => setOpen(false)}
-                    >
-                        <div className={`rounded-md ring-1 ring-black ring-opacity-5 ` + contentClasses}>
-                            {children}
-                        </div>
-                    </div>
-                )}
+                <div
+                    className={`absolute z-50 mt-2 rounded-md shadow-lg ${alignmentClasses} ${widthClasses}`}
+                    onClick={() => setOpen(false)}
+                >
+                    <div className={`rounded-md ring-1 ring-black ring-opacity-5 ` + contentClasses}>{children}</div>
+                </div>
             </Transition>
         </>
     );