fix: added letter-spacing to fix Inter Regular line break issue

[OtavioStasiak]

Proposed changes

Android was not Mobile app not showing entire message in the Inter-Regular font.

Issue(s)

https://rocketchat.atlassian.net/browse/NATIVE-657

How to test or reproduce

• Open the app;
• Select a room;
• Send the message : 'Perfect, I will let them know. Thank you. Also happy to look at the FlieVlaut stuff with you.'
• Send the message: 'テスト'

Screenshots

Before/After video:

untitled.webm

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments

[CLAassistant]

All committers have signed the CLA.