[QA] Mobile: Select Action dropdown

[melyndav]

Steps to reproduce

1. On mobile, navigate to the dashboard.
2. Within the 'Recent activity' table, expand a table row.
3. Select the ... meatball icon.
4. Note the width of the 'Select action' dropdown is wider than all the main content container.

Expected behaviour

• No content should exceed the width of the main content container, including this 'Select action' dropdown on mobile.

Actual behaviour

• The dropdown exceeds the main content width and is not consistent with other mobile dropdown widths.

QA:

Prod:

Correct width on the same Dashboard page: