fix(contentinvoice): Use shared translation.TranslationKey type in DeContentInvoice.translateKey and remove local import

ts_web/elements/contentinvoice.ts

@@ -15,7 +15,6 @@ import {
 import * as plugins from "../plugins.js";
 
 import { dedocumentSharedStyle } from "../style.js";
-import type { TranslationKey } from "../../ts_shared/translation.js";
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -303,7 +302,7 @@ export class DeContentInvoice extends DeesElement {
     }
   }
 
-  public translateKey(key: TranslationKey): string {
+  public translateKey(key: plugins.shared.translation.TranslationKey): string {
     return plugins.shared.translation.translate(
       this.documentSettings.languageCode,
       key