Revert "fix answerAllQuestions bug"

This reverts commit d5ffe89261ce2a941c59189641f241e4f8bf42e8.

src/features/OnlineExam/Examing/ExamingHome.vue

@@ -415,7 +415,7 @@ export default {
     },
     async answerAllQuestions(ignoreDirty) {
       const answers = this.examQuestionList
-        .filter(eq => (ignoreDirty ? true : eq.dirty))
+        .filter(eq => !ignoreDirty && eq.dirty)
         .filter(eq => eq.getQuestionContent)
         .map(eq => {
           return Object.assign(