Don't sort scene light list by camera distance if the limit isn't reached and PP doesn't need it

Also don't clip it to the single UBO scene light limit if the lighting method isn't actually single UBO

components/sceneutil/lightmanager.cpp

@@ -1161,8 +1161,10 @@ namespace SceneUtil
             }
 
             const bool fillPPLights = mPPLightBuffer && it->first->getName() == Constants::SceneCamera;
+            const bool sceneLimitReached = getLightingMethod() == LightingMethod::SingleUBO
+                && it->second.size() > static_cast<size_t>(getMaxLightsInScene() - 1);
 
-            if (fillPPLights || getLightingMethod() == LightingMethod::SingleUBO)
+            if (fillPPLights || sceneLimitReached)
             {
                 auto sorter = [](const LightSourceViewBound& left, const LightSourceViewBound& right) {
                     return left.mViewBound.center().length2() - left.mViewBound.radius2()
@@ -1183,7 +1185,7 @@ namespace SceneUtil
                     }
                 }
 
-                if (it->second.size() > static_cast<size_t>(getMaxLightsInScene() - 1))
+                if (sceneLimitReached)
                     it->second.resize(getMaxLightsInScene() - 1);
             }
         }