normalize gradients and denormalize in groupbar

src/render/decorations/CHyprGroupBarDecoration.cpp

@@ -92,6 +92,7 @@ void CHyprGroupBarDecoration::draw(CMonitor* pMonitor, float a, const Vector2D&
         CColor             color = m_dwGroupMembers[i] == g_pCompositor->m_pLastWindow ? ((CGradientValueData*)PGROUPCOLACTIVE->get())->m_vColors[0] :
                                                                                          ((CGradientValueData*)PGROUPCOLINACTIVE->get())->m_vColors[0];
         color.a *= a;
+        color = color * 255.f; // gradient has 0 - 1
         g_pHyprOpenGL->renderRect(&rect, color);
 
         xoff += PAD + BARW;