UI improvements and stepper logic updates

Enhanced home page with gradient button and arrow styling, updated main stepper to show confirmed state for last step, and adjusted global stepper options. Fixed movie search observable initialization timing. Minor layout and validation UI tweaks in ticket and test components. Disabled mobile access for employee ticket validation route.

src/app/home/home.component.css

@@ -13,3 +13,16 @@
 }
 
 .animate-fade-logo { animation: fade 1.5s 0.5s ease forwards; opacity: 0; }
+
+.arrow {
+  font-size: 30px;
+  height: 30px;
+  width: 30px;
+  color:#9f9fa9;
+
+  &:is(:where(.group):hover *) {
+    @media (hover: hover) {
+      color: #db2777;
+    }
+  }
+}