Properly clear cubemap filter state when texture array environment disabled

drivers/gles3/rasterizer_storage_gles3.cpp

@@ -2066,6 +2066,7 @@ void RasterizerStorageGLES3::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
 		}
 		shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DUAL_PARABOLOID, false);
 		shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_SOURCE_PANORAMA, false);
+		shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_SOURCE_DUAL_PARABOLOID, false);
 
 		//restore ranges
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);