[BUG] Mixed LTR+RTL Duet alignment

[pxeemo]

Describe the bug
If the first vocalist sing in an LTR language and the second vocalist sing in an RTL language they're going to be aligned to the same side

To Reproduce
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2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Screenshots
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Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• App Version: [e.g. 22]

Additional context
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• I will open one issue per bug, follow the issue format and will add [BUG] to the start of my issue title, and I acknowledge that if I don't follow the format, my issue might get closed without further explanation.