fix CommentInput: replace deprecated value binding with model-value

.changes/unreleased/Fixed-20260115-145334.yaml

@@ -0,0 +1,6 @@
+kind: Fixed
+body: 'fix CommentInput: replace deprecated value binding with model-value'
+time: 2026-01-15T14:53:34.733888032+01:00
+custom:
+    Issue: "492"
+    SchemaChange: No schema change

src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourseWorkEdit/components/CommentInput.vue

@@ -8,8 +8,8 @@
                 :editor="ClassicEditor"
                 :config="classicEditorConfig"
                 :placeholder="trans(EVALUATION_COMMENT_PLACEHOLDER)"
-                :value="comment"
-                @input="$emit('update:comment', $event)"
+                :model-value="comment"
+                @update:model-value="$emit('update:comment', $event)"
                 tag-name="textarea"
             ></ckeditor>
         </div>