feat: Add UI update logic for the search button.

index.html

@@ -766,6 +766,8 @@
                         btn.innerHTML = '<i class="fas fa-wallet"></i> Generate';
                     } else if (btn.id === 'recoverBtn') {
                         btn.innerHTML = '<i class="fas fa-sync-alt"></i> Recover';
+                    } else if (btn.id === 'searchBtn') {
+                        btn.innerHTML = '<i class="fas fa-search"></i> Search';
                     }
                 }
             });