fix(settings): name the gate-off option in its row copy

The Tool approval row copy opened with "Auto-approve turns off..." beside
an option now labelled Off (YOLO). Start the sentence with the option's
own name. Follow-up to #6304; no behaviour change.

static/index.html

@@ -2472,7 +2472,7 @@
               </div>
 
               <div class="admin-toggle-sub" style="margin-top:4px;">
-                Auto-approve turns off the tool approval gate (same control as the
+                Off (YOLO) turns off the tool approval gate (same control as the
                 ODYSSEUS_TOOL_APPROVAL_GATE env var). Bash, host_shell, send_email and
                 delete_email then run without a confirmation even after the agent has
                 seen untrusted external content (email, web pages, documents), so a