Inline single usage of OrdersScreen visibility check (#5620)

Author: mokagio

WooCommerce/UITestsFoundation/Screens/Orders/OrdersScreen.swift

@@ -21,11 +21,6 @@ public final class OrdersScreen: ScreenObject {
 
     private var searchButton: XCUIElement { searchButtonGetter(app) }
 
-    // TODO: There's only one usage of this and it can be replaced with a screen instantiation
-    static var isVisible: Bool {
-        (try? OrdersScreen().isLoaded) ?? false
-    }
-
     public init(app: XCUIApplication = XCUIApplication()) throws {
         try super.init(
             expectedElementGetters: [

WooCommerce/UITestsFoundation/Screens/TabNavComponent.swift

@@ -48,11 +48,12 @@ public final class TabNavComponent: ScreenObject {
     @discardableResult
     public func gotoOrdersScreen() throws -> OrdersScreen {
         // Avoid transitioning if it is already on screen
-        if !OrdersScreen.isVisible {
+        guard let orderScreen = try? OrdersScreen(), orderScreen.isLoaded else {
             ordersTabButton.tap()
+            return try OrdersScreen()
         }
 
-        return try OrdersScreen()
+        return orderScreen
     }
 
     @discardableResult