✨(frontend) improve modal a11y: structure, labels, and title

added aria-label, structured text in p, and added title for better accessibility

Signed-off-by: Cyril <c.gromoff@gmail.com>

CHANGELOG.md

@@ -8,12 +8,13 @@ and this project adheres to
 
 ## [Unreleased]
 
-- ⚡️(frontend) improve accessibility:
-  - #1341
-
 ### Added
 
 - ✨(api) add API route to fetch document content #1206
+- ♿(frontend) improve accessibility:
+  - #1349
+  - #1271
+  - #1341
 
 ### Changed
 
@@ -41,7 +42,6 @@ and this project adheres to
   - ♿(frontend) improve accessibility for decorative images in editor #1282
   - #1338
   - #1281
-  - #1271
 - ♻️(backend) fallback to email identifier when no name #1298
 - 🐛(backend) allow ASCII characters in user sub field #1295
 - ⚡️(frontend) improve fallback width calculation #1333