Bug: Out of keyvalues string space error when editing VMF

[kiddu25]

Describe the bug

for some reason my VMF allocated over 4 MB of strings for keyvalues and make it crash

thinking fix : raise the limit or make it configurable

To Reproduce

1.open the map 2. wait some minutes like playing with the maps etc 3.Out of keyvalues string space error

Issue Map

backgroundmapvmf.zip here the vfm I send a "light version" if everything right with only portal 2 assets the original version you need csgo, lenship addons pbr and hl:s mounted

Expected Behavior

having "out of keyvalue string space error and then crash

Operating System

windows 10