fix is_active student flag and apply it in all pages

public/assets/js/proofread.js

@@ -81,7 +81,9 @@
       btn.type = 'button';
       btn.className = 'btn btn-link btn-sm ps-0';
       btn.textContent = 'Apply';
+      btn.disabled = !!(textarea.disabled || textarea.readOnly);
       btn.addEventListener('click', () => {
+        if (textarea.disabled || textarea.readOnly) return;
         textarea.value = applyMatches(textarea.value, [match]);
         resize(textarea);
         textarea.dispatchEvent(new Event('input', { bubbles: true }));
@@ -97,6 +99,7 @@
 
   const proofreadField = async (textarea) => {
     if (!textarea) return { ok: false };
+    if (textarea.disabled || textarea.readOnly) return { ok: true, skipped: true };
     const targetId = textarea.id || textarea.name || '';
 
     const text = textarea.value || '';
@@ -159,7 +162,8 @@
   const proofreadAll = async () => {
     const btn = document.getElementById('proofreadAllBtn');
     const summary = document.getElementById('proofreadAllStatus');
-    const fields = Array.from(document.querySelectorAll('textarea.review-field'));
+    const fields = Array.from(document.querySelectorAll('textarea.review-field:not(:disabled)'))
+      .filter((field) => !field.readOnly);
     if (!fields.length) return;
 
     if (btn) btn.disabled = true;