Fix Maestro opening tabs test (#3777)

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Task/Issue URL:
https://app.asana.com/0/1204165176092271/1209100870139900/f
Tech Design URL:
CC:

**Description**:
Fixes an issue with the test where Maestro can't find the accessibility
ID of the Tab Switcher button in certain cases.
This PR isn't fixing the actual accessibility issue, but more simply
expanding the work around that's already in place to cover all cases
where the issue can happen.

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**Steps to test this PR**:
1. Run the tab_tabs.yaml test and verify it passes. 

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###### Internal references:
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Expectations](https://app.asana.com/0/59792373528535/199064865822552)
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.maestro/browser_features/opening_tabs.yaml

@@ -43,8 +43,6 @@ tags:
 - tapOn: "Browse Back"
 - assertVisible: "A link that opens in a new window"
 
-# Workaround - for some reason Tab Switcher button is not found by maestro at this point.
-- tapOn: "Refresh Page"
 - runFlow:
     file: ../shared/check_number_of_tabs.yaml
     env:

.maestro/shared/check_number_of_tabs.yaml

@@ -1,6 +1,9 @@
 appId: com.duckduckgo.mobile.ios
 ---
 
+# Workaround - for some reason Tab Switcher button is not found by maestro at this point.
+- tapOn: "Refresh Page"
+
 - assertVisible: "Tab Switcher"
 - tapOn: "Tab Switcher"
 - assertVisible: ${TITLE}