Fix: EEVEE-Next: Broken uniform attribute in blended materials

Was caused by difference in header order for forward materials.
Fix by adding the missing include in the nodetree lib directly.

Fix #117277

source/blender/draw/engines/eevee_next/shaders/eevee_nodetree_lib.glsl

@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: GPL-2.0-or-later */
 
 #pragma BLENDER_REQUIRE(draw_view_lib.glsl)
+#pragma BLENDER_REQUIRE(draw_model_lib.glsl)
 #pragma BLENDER_REQUIRE(gpu_shader_utildefines_lib.glsl)
 #pragma BLENDER_REQUIRE(gpu_shader_math_base_lib.glsl)
 #pragma BLENDER_REQUIRE(gpu_shader_codegen_lib.glsl)