[LINUX] Keypad enter does not function.

Summary

Keypad enter does not function on linux alchemy.

Steps to reproduce

Step 1) Be using Linux alchemy Step 2) Type something in the CHUI Step 3) use the keypad enter to try to send the text

What is the expected correct behavior?

It should function like the enter from the main keyboard.

Environment

Alchemy Project ShrewdShepherd 6.4.21.937 (64bit)
Release Notes

You are at 37.0, 184.8, 1509.6 in Puff located at simhost-06a13876bdfba9b58.agni
SLURL: http://maps.secondlife.com/secondlife/Puff/37/185/1510
(global coordinates 183589.0, 305081.0, 1509.6)
Second Life Server 2021-06-23.560819
Release Notes

CPU: AMD Ryzen 9 3900X 12-Core Processor (2200 MHz)
Memory: 32078 MB
Concurrency: 24
OS Version: Linux 5.11.0-7620-generic #21~1626191760~21.04~55de9c3-Ubuntu SMP Tue Jul 20 22:18:55 UTC  x86_64
Graphics Card Vendor: AMD
Graphics Card: AMD Radeon RX 6800 XT (SIENNA_CICHLID, DRM 3.40.0, 5.11.0-7620-generic, LLVM 11.0.1)

OpenGL Version: 4.6 (Compatibility Profile) Mesa 21.0.1

Window size: 2560x1403
Font Size Adjustment: 96pt
UI Scaling: 1.5
Draw distance: 256m
Bandwidth: 3000kbit/s
LOD factor: 1.625
Render quality: 5
Advanced Lighting Model: Enabled
Texture memory: 3072MB
Texture cache: 3118MB / 8344MB (37.4% used)
Disk cache: 5822MB / 16384MB (35.5% used)

RestrainedLove API: RLV v3.4.3 / RLVa v2.4.1.937
libcurl Version: libcurl/7.54.1 OpenSSL/1.0.2u zlib/1.2.11.zlib-ng nghttp2/1.43.0
J2C Decoder Version: OpenJPEG Runtime: 2.4.0
Audio Driver Version: FMOD Studio 2.01.08
Dullahan: 1.9.0
  CEF: 91.1.20+g5800665+chromium-91.0.4472.101
  Chromium: 91.0.4472.101
LibVLC Version: 3.0.12
Voice Server Version: Vivox 

Compiler Version: GCC 80300
Packets Lost: 0/10171 (0.0%)
July 26 2021 10:32:36

Relevant logs and/or screenshots

(Attach or paste any relevant logs - please use code blocks (```) to format console output, logs, and code as it's very hard to read otherwise.)