Bug: Pre-existing env_projected_texture entities have a slope scale of zero.

[lenship2]

Describe the bug

This issue makes any map using env_projected_texture look incredibly awful.

To Reproduce

1. Open any map made with an env_projected_texture that was made before the slope scale change

Issue Map

any map with env_projected_texture

Expected Behavior

env_projected_texture should have a slope scale of at least 1, to match old behavior

Operating System

No response