multi line paste for add course and edit course

src/modules/admin/pages/courses/lessons/EditLesson.jsx

@@ -43,7 +43,18 @@ export default function EditLesson() {
     defaultValues: { title: "", description: "", order: 0, objectives: [] },
   });
 
-  const { fields, append, remove } = useFieldArray({ control, name: "objectives" });
+  const { fields, append, remove, insert, update } = useFieldArray({ control, name: "objectives" });
+
+  const handleObjectivePaste = (e, index) => {
+    const text = e.clipboardData.getData("text");
+    const lines = text.split(/\r\n|\r|\n/).map((l) => l.trim()).filter(Boolean);
+    if (lines.length <= 1) return;
+    e.preventDefault();
+    update(index, { value: lines[0] });
+    lines.slice(1).forEach((line, i) => {
+      insert(index + 1 + i, { value: line });
+    });
+  };
 
   const { bypassOnce, dialog: unsavedChangesDialog } = useUnsavedChangesGuard(isDirty);
 
@@ -154,6 +165,7 @@ export default function EditLesson() {
                       <Input
                         placeholder={`Objective ${index + 1}`}
                         {...register(`objectives.${index}.value`)}
+                        onPaste={(e) => handleObjectivePaste(e, index)}
                       />
                       <FieldError message={errors.objectives?.[index]?.value?.message} />
                     </div>