Route UI leaf render state through GL dispatch

src/node_panel_animation.cpp

@@ -2,9 +2,9 @@
 #include "node_panel_animation.h"
 #include "app_core/document_animation.h"
 #include "legacy_document_animation_services.h"
+#include "legacy_ui_gl_dispatch.h"
 #include "node_button.h"
 #include "node_button_custom.h"
-#include "renderer_gl/opengl_capabilities.h"
 #include "canvas.h"
 
 Node* NodePanelAnimation::clone_instantiate() const
@@ -308,7 +308,7 @@ void NodeAnimationTimeline::draw()
 {
     parent::draw();
     ShaderManager::use(kShader::Color);
-    glDisable(pp::renderer::gl::blend_state());
+    pp::legacy::ui_gl::set_blend_enabled(false, "NodeAnimationTimeline");
 
     float step = 35.f;
     glm::vec2 cur_pos = {