AI reply always reopens menu + Cc toggle 2px down in doc compose

- AI reply: removed the cached_ai_reply shortcut so clicking the
  button always reopens the Fast/Full + context menu. Lets the user
  ask for a fresh draft (with new steering) instead of being locked
  into the cached one.
- .email-cc-toggle gets position:relative + top:2px so it
  baseline-aligns with the To: field chips next to it in the
  document email compose.

static/js/emailLibrary.js

@@ -5992,10 +5992,9 @@ function _showAiReplyChoice(btn, em, data) {
 function _handleAiReplyButton(ev, em, data) {
   ev.stopPropagation();
   const btn = ev.currentTarget;
-  if (data?.cached_ai_reply) {
-    _runAiReplyFromButton(btn, em, data, 'ai-reply');
-    return;
-  }
+  // Always open the Fast/Full + context menu — even when a cached
+  // reply exists — so the user can ask for a fresh draft with new
+  // steering instead of being locked into the cached one.
   _showAiReplyChoice(btn, em, data);
 }
 

static/style.css

@@ -30345,6 +30345,10 @@ body.doc-find-active mark.doc-find-mark.current {
   background: none; border: none; color: var(--fg);
   opacity: 0.4; font-size: 11px; cursor: pointer;
   padding: 4px 8px; font-family: inherit;
+  /* Nudge 2px down so the label baseline-aligns with the To: field
+     chips beside it. */
+  position: relative;
+  top: 2px;
 }
 .email-cc-toggle:hover {
   opacity: 1;