Properly reset texture flags when generating radiance

drivers/gles3/rasterizer_storage_gles3.cpp

@@ -2071,6 +2071,9 @@ void RasterizerStorageGLES3::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
 		glTexParameterf(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 		glTexParameterf(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 
+		//reset flags on Sky Texture that may have changed
+		texture_set_flags(sky->panorama, texture->flags);
+
 		glBindFramebuffer(GL_FRAMEBUFFER, RasterizerStorageGLES3::system_fbo);
 		glDeleteFramebuffers(1, &tmp_fb);
 		glDeleteFramebuffers(1, &tmp_fb2);