System Maps tab is not visible in non Debug World Builder

[xezon]

Prerequisites

• I have searched for similar issues and confirmed this is not a duplicate

Game Version

• Command & Conquer Generals
• Command & Conquer Generals: Zero Hour
• Other (please specify below)

Bug Description

Reproduction Steps

1. Compile World Builder without RTS_DEBUG or RTS_INTERNAL
2. Launch it
3. Click "File > Open Map"

Additional Context

No response