refactor(global-shortcut): enhance un/register to accept an array, remove un/registerAll (#1117)

* refactor(shell): enhance `un/register` to accept an array, remove `un/registerAll`

closes #1101

* Update lib.rs

* remove permissions, cleanup docs

* bring back unregister_all

* fmt

* fix build

* bundle

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

examples/api/src/views/Shortcuts.svelte

@@ -1,9 +1,8 @@
 <script>
-  import { writable } from "svelte/store";
+  import { writable, get } from "svelte/store";
   import {
     register as registerShortcut,
     unregister as unregisterShortcut,
-    unregisterAll as unregisterAllShortcuts,
   } from "@tauri-apps/plugin-global-shortcut";
 
   export let onMessage;
@@ -35,7 +34,7 @@
   }
 
   function unregisterAll() {
-    unregisterAllShortcuts()
+    unregisterShortcut(get(shortcuts))
       .then(() => {
         shortcuts.update(() => []);
         onMessage(`Unregistered all shortcuts`);