Add customer search dialog and sponsor DD/reconciliation modules

Adds sponsor-dd and sponsor-dd-reconciliation feature modules, a
shared customer search dialog, and wires them into routing/shell/
organization screens alongside cashier and deposit-request updates.

src/app/cashier/transaction-entry/transaction-entry.component.scss

@@ -1928,6 +1928,19 @@ select.te-cell {
   animation: te-pulse 1.5s ease-in-out infinite;
 }
 
+// Denomination matches DD target badge
+.te-denom-match-badge {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 8px;
+  border-radius: 999px;
+  font-size: 10px;
+  font-weight: 700;
+  background: #dcfce7;
+  color: #15803d;
+  border: 1px solid #86efac;
+}
+
 @keyframes te-pulse {
   0%,
   100% {