Max Draw Distance Can't Be Set Again Until Set Back to Default

Max draw distance cannot be changed to a higher value than it is first set, until you reset it back to default.

Working as expected in 4.19 CL# 4033788

Found in 4.20 CL# 4369336, 4.21 CL# 4516095, and 4.22 CL# 45242214

This is a regression.

1. Open the editor
2. Place a basic shape mesh in the level
3. Set its max draw distance to 1000
4. Try and set the max draw distance to 1001
5. Click the reset to default arrow and try and set it again

Results:
The value will not change until you reset the max draw distance value back to default

Expected:
The max draw distance would change without having to set it back