Revert demo to pre-2026-08-06 state (rollback today's push)

Reverts all commits pushed to demo today (a5124ca3, 858c277a, a1a50ab8,
f72abb09, fcf66657) back to f8c532f7 as a single forward commit, without
rewriting history. All reverted content (Share Withdrawal/Closure feature,
TDS reports, KYC exception tracking, client-edit-email-dialog, form121 tab,
search-select) remains intact on dev and was verified identical before
this revert.

src/app/clients/clients-view/clients-view.component.html

@@ -545,15 +545,6 @@
       >
         <i class="fa fa-file-text cv-tab-icon"></i> {{ 'labels.inputs.Form 60' | translate }}
       </a>
-      <a
-        mat-tab-link
-        [routerLink]="['./form121']"
-        routerLinkActive
-        #form121="routerLinkActive"
-        [active]="form121.isActive"
-      >
-        <i class="fa fa-percent cv-tab-icon"></i> Form 121 / TDS
-      </a>
       <a
         mat-tab-link
         [routerLink]="['./documents']"