Segmentation fault on exit

[palapapa]

Material Maker version: 1.4

OS/device including version: Gentoo Linux, Wayland

Issue description:

The app segfaults on exit.

Steps to reproduce:

1. Open the app.
2. Close the app.

Log

Godot Engine v4.4.1.stable.custom_build - https://godotengine.org
Vulkan 1.4.325 - Forward+ - Using Device #0: NVIDIA - NVIDIA GeForce RTX 2070 SUPER

Cannot open user://export_targets
Loading...
Successfully read library /home/palapapa/lib/material-maker/library/base.json
Failed to open user://library/user.json
Successfully read library /home/palapapa/lib/material-maker/library/base_brushes.json
Failed to open user://library/user_brushes.json
created thumbnail
(64.0, 64.0)
created thumbnail
(64.0, 64.0)
created thumbnail
(64.0, 64.0)
THEME UPDATE
Libraries updated (NodeLibraryManager)
Libraries updated (BrushLibraryManager)
Setting hdr /home/palapapa/lib/material-maker/environments/hdris/epping_forest_01_1k.hdr
WARNING: Ignoring unsupported header information in HDR: GAMMA=1.
     at: load_image (modules/hdr/image_loader_hdr.cpp:47)
WARNING: Ignoring unsupported header information in HDR: PRIMARIES=0 0 0 0 0 0 0 0.
     at: load_image (modules/hdr/image_loader_hdr.cpp:47)
ERROR: Windows with the 'on top' can't become transient.
   at: window_set_transient (platform/linuxbsd/x11/display_server_x11.cpp:2209)
ERROR: Condition "prev_parent == p_parent" is true.
   at: window_set_transient (platform/linuxbsd/x11/display_server_x11.cpp:2205)
WARNING: 6 RIDs of type "Canvas" were leaked.
     at: _free_rids (servers/rendering/renderer_canvas_cull.cpp:2679)
WARNING: 60 RIDs of type "CanvasItem" were leaked.
     at: _free_rids (servers/rendering/renderer_canvas_cull.cpp:2679)
ERROR: 6 RID allocations of type 'N10RendererRD12LightStorage11ShadowAtlasE' were leaked at exit.
ERROR: 6 RID allocations of type 'N10RendererRD14TextureStorage12RenderTargetE' were leaked at exit.
ERROR: 43 RID allocations of type 'N10RendererRD14TextureStorage7TextureE' were leaked at exit.
ERROR: 6 RID allocations of type 'N16RendererViewport8ViewportE' were leaked at exit.
WARNING: 83 RIDs of type "Texture" were leaked.
     at: finalize (servers/rendering/rendering_device.cpp:7130)
/home/palapapa/bin/material-maker: line 4: 1192227 Segmentation fault         (core dumped) "${HOME}/lib/material-maker/material_maker.x86_64"