fix: 강의제목 / 글(게시판) 제목 / 퀴즈셋 제목 50자 제한 적용

frontend/src/components/Article/CreateArticle/CreateArticle.jsx

@@ -45,13 +45,13 @@ export default function CreateArticle({ topic, title, onSubmit }) {
           <label className={styles.label}>제목</label>
           <input
             type="text"
-            maxLength={200}
+            maxLength={50}
             className={styles.titleInput}
             placeholder="제목을 입력하세요"
             value={articleTitle}
             onChange={(e) => setArticleTitle(e.target.value)}
           />
-          {articleTitle.length > 190 && <div className={styles.textLength}>{articleTitle.length} / 200</div>}
+          {articleTitle.length > 49 && <div className={styles.textLength}>{articleTitle.length} / 50</div>}
         </div>
         <div className={styles.fieldWrapper}>
           <label className={styles.label}>내용</label>
@@ -64,7 +64,7 @@ export default function CreateArticle({ topic, title, onSubmit }) {
             onChange={handleInput}
             style={{ overflow: 'hidden' }}
           ></textarea>
-          {articleContent.length > 950 && <div className={styles.textLength}>{articleContent.length} / 1000</div>}
+          {articleContent.length > 999 && <div className={styles.textLength}>{articleContent.length} / 1000</div>}
         </div>
         <button
           type="button"

frontend/src/components/LectureForm/LectureForm.jsx

@@ -81,7 +81,7 @@ export default function LectureForm({ title, topic, to = '..', initialValues = {
           <input
             className={styles.input}
             ref={titleRef}
-            maxLength={200}
+            maxLength={50}
             type="text"
             placeholder="강의명을 입력하세요"
           />
@@ -128,7 +128,7 @@ export default function LectureForm({ title, topic, to = '..', initialValues = {
           <input
             type="text"
             ref={timeRef}
-            maxLength={200}
+            maxLength={50}
             className={styles.input}
             placeholder="실제 강의 진행 시간을 입력하세요"
           />

frontend/src/components/QuizForm/QuizsetForm.jsx

@@ -53,7 +53,7 @@ export default function QuizsetForm({ headerTitle, topic, to, onSubmit, initialV
         <input
           className={styles.input}
           type="text"
-          maxLength={200}
+          maxLength={50}
           value={title}
           onChange={(e) => setTitle(e.target.value)}
           placeholder="퀴즈셋 제목을 입력해주세요"