Set max lines for 'in reply to' view conditionally (#6612)
* Set max lines for 'in reply to' view conditionally. When there is enough screen space, use 2 lines as before. If the screen space is limited, use a single one.
* Reduce vertical padding for reply-to view in compose
* Add screenshot test with single line in reply to view
* Update screenshots
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Co-authored-by: ElementBot <android@element.io>