refactor(types): shorten ref, id JSDocs, use CarbonIcon type, export component props

types/CopyButton/CopyButton.d.ts

@@ -1,14 +1,15 @@
 /// <reference types="svelte" />
 
-export default class CopyButton {
-  $$prop_def: {
-    /**
-     * Set the title and ARIA label for the copy button
-     * @default "Copy to clipboard"
-     */
-    iconDescription?: string;
-  };
+export interface CopyButtonProps {
+  /**
+   * Set the title and ARIA label for the copy button
+   * @default "Copy to clipboard"
+   */
+  iconDescription?: string;
+}
 
+export default class CopyButton {
+  $$prop_def: CopyButtonProps;
   $$slot_def: {};
 
   $on(eventname: "click", cb: (event: WindowEventMap["click"]) => void): () => void;