style(adminui): btn-groups + prose trim on top-level ops pages

Group related action buttons into btn-group/btn-group-sm on Alerts, Certificates,
ApiKeys and ScriptEdit; promote the RoleGrants Delete from btn-link to
btn-outline-danger. Replace the two inline style="border-color:var(--alert)"
no-ops with the .notice-alert class, and the undefined --surface-2 token in
Scripts with the theme's shipped --zebra-bg.

Delete unconditional documentation prose now covered by docs/ (Redundancy,
Telemetry, AlarmTracking, security, Reservations, AlarmHistorian, ScriptEditor),
keeping state banners and live captions. Correct the LDAP config key on
RoleGrants to Security:Ldap:GroupToRole (LdapOptions.SectionName) and drop the
same wrong key from Account with its deleted block; reword the stale
"Engine emit (F8/F9) is pending" script-log empty state.

src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/RoleGrants.razor

@@ -64,7 +64,7 @@
                         <tr>
                             <td><span class="mono">@r.LdapGroup</span></td>
                             <td><span class="chip chip-idle">@r.Role</span></td>
-                            <td><button class="btn btn-sm btn-link text-danger" @onclick="() => DeleteAsync(r.Id)" disabled="@_busy">Delete</button></td>
+                            <td><button class="btn btn-sm btn-outline-danger" @onclick="() => DeleteAsync(r.Id)" disabled="@_busy">Delete</button></td>
                         </tr>
                     }
                 }
@@ -78,7 +78,7 @@
     <section class="panel rise mt-3" style="animation-delay:.14s">
         <div class="panel-head">Fallback (appsettings) (@(_options.GroupToRole?.Count ?? 0))</div>
         <div style="padding:1rem 1rem 0" class="text-muted small">
-            These <span class="mono">Authentication:Ldap:GroupToRole</span> entries apply when a group has no database row above.
+            These <span class="mono">Security:Ldap:GroupToRole</span> entries apply when a group has no database row above.
         </div>
         @if (_options.GroupToRole is null || _options.GroupToRole.Count == 0)
         {