Test to ensure that page refresh doesn't affect url bar focus (#2749)

Task/Issue URL: https://app.asana.com/0/0/1207004088983506/f
Tech Design URL:
CC:

Description:

Add test to ensure URL bar doesn't lose focus on site refresh.

.maestro/browser_features/search_bar.yaml

@@ -0,0 +1,56 @@
+# search_bar.yaml
+appId: com.duckduckgo.mobile.ios
+tags:
+    - release
+
+---
+
+# Set up
+- clearState
+- launchApp
+- runFlow:
+    when:
+      visible:
+        text: "Let’s Do It!"
+        index: 0
+    file: ../shared/onboarding.yaml
+
+# Load Site
+- assertVisible:
+    id: "searchEntry"
+- tapOn:
+    id: "searchEntry"
+- inputText: "https://privacy-test-pages.site/features/auto-refresh.html"
+- pressKey: Enter
+
+# Manage onboarding
+- runFlow:
+    when:
+      visible:
+        text: "Got It"
+        index: 0
+    file: ../shared/onboarding_browsing.yaml
+
+- assertVisible: "Website that refreshes every 3 seconds."
+
+# Start typing
+- tapOn:
+    id: "searchEntry"
+- inputText: "abcd"
+- assertVisible: "abcd"
+
+# Delay execution and let page refresh
+- runFlow:
+    file: ../shared/delay.yaml
+
+# More text to append 
+- inputText: "efgh"
+- assertVisible: "abcdefgh"
+
+# Delay execution and let page refresh
+- runFlow:
+    file: ../shared/delay.yaml
+
+- inputText: "ijkl"
+- assertVisible: "abcdefghijkl"
+

.maestro/shared/delay.yaml

@@ -0,0 +1,13 @@
+# delay.yaml
+
+appId: com.duckduckgo.mobile.ios
+---
+
+- runFlow:
+    when:
+      visible:
+        text: "This is just a text that will be never matched so this invocation will cause 5s delay"
+        index: 0
+    commands:
+        - stopApp
+