cv11 has no effect on subs/sups

[LoganDark]

Describe the bug
The cv11 font feature has no effect on the subs/sups features.

To Reproduce
Steps to reproduce the behavior:

1. Apply both cv11 and subs (or sups) font features
2. observe how a is double-storey when cv11 should have made it single-storey

Expected behavior
The subscript/superscript a should be single-storey

Screenshots
Chrome 91.0.4472.101 on Windows 10 2004 build 19041.928 (x64):

Chrome 83.0.4103.97 on macOS 10.14.6 Mojave:

Environment

• OS: Windows 10 2004 build 19041.928 (x64)
• App that renders the font: Google Chrome 91.0.4472.101
• Version of font: Inter var experimental, Version 3.019;git-0a5106e0b

Additional context
N/A

[rsms]

Simply not implemented.
Repro link: https://rsms.me/inter/lab/?feat-cv11=1&feat-sups=1&sample=a&size=68

[LoganDark]

Simply not implemented. Repro link: https://rsms.me/inter/lab/?feat-cv11=1&feat-sups=1&sample=a&size=68

Figured; the issue template just compelled/suggested me to do a ton of unnecessary work. :p

Oh by the way: the repo link also reproduces it for me on AntiX Linux. >:)