Add __wgl_session to the WGLMakie ignore set when generating uniforms

The inclusion of this attribute caused the Bonito session to be passed as a uniform, causing an error in ShaderAbstractions when it tried to test for `isbits` code.

Fixes #3751

WGLMakie/src/particles.jl

@@ -40,7 +40,7 @@ const IGNORE_KEYS = Set([
     :visible, :transformation, :alpha, :linewidth, :transparency, :marker,
     :light_direction, :light_color,
     :cycle, :label, :inspector_clear, :inspector_hover,
-    :inspector_label, :axis_cycler
+    :inspector_label, :axis_cycler, :__wgl_session,
 ])
 
 function create_shader(scene::Scene, plot::MeshScatter)