✨ Added tab functionality and optimized related configurations

frontend/src/views/editor/extensions/translator/tooltip.ts

@@ -285,19 +285,6 @@ export class TranslationTooltip implements TooltipView {
         this.translate();
     }
 
-    /**
-     * 寻找替代的目标语言
-     */
-    private findAlternativeTargetLanguage(): void {
-        const options = Array.from(this.targetLangSelector.options);
-        for (const option of options) {
-            if (option.value !== this.sourceLangSelector.value) {
-                this.targetLangSelector.value = option.value;
-                break;
-            }
-        }
-    }
-
     /**
      * 交换源语言和目标语言
      */