Route remaining UI shader setup through helpers

src/node_color_quad.cpp

@@ -92,8 +92,8 @@ void NodeColorQuad::draw()
     auto pos = glm::clamp(m_value * sz, { 0, 0 }, sz);
     m_picker->SetPosition(pos - m_picker->GetSize() * .5f);
 
-    ShaderManager::use(kShader::ColorQuad);
-    ShaderManager::u_mat4(kShaderUniform::MVP, m_mvp);
-    ShaderManager::u_vec4(kShaderUniform::Col, glm::vec4(convert_rgb2hsv(glm::vec3(m_color)), 1));
+    pp::panopainter::configure_legacy_ui_color_quad_shader(
+        m_mvp,
+        glm::vec4(convert_rgb2hsv(glm::vec3(m_color)), 1));
     m_plane.draw_fill();
 }