Fix #136784: Missing default for "wireframe_color_type" in a new window

Was missing a default since its implementation in 1f4c7a36df

Now added as a DNA default.

Pull Request: https://projects.blender.org/blender/blender/pulls/136813

source/blender/makesdna/DNA_view3d_defaults.h

@@ -33,6 +33,7 @@
     .background_color = {0.05f, 0.05f, 0.05f}, \
     .studiolight_intensity = 1.0f, \
     .render_pass = SCE_PASS_COMBINED, \
+    .wire_color_type = V3D_SHADING_SINGLE_COLOR, \
   }
 
 #define _DNA_DEFAULT_View3DOverlay \