Tell the ChangeQueue to flush all collected events. This can trigger a host of Apply* calls. The following is the order in which those calls get made if there are changes for that specific data type: ApplyViewChange ApplyLinearWorkflowChanges ApplyDynamicObjectTransforms ApplyDynamicLightChanges ApplyRenderSettingsChanges ApplyEnvironmentChanges (background) ApplyEnvironmentChanges (refl) ApplyEnvironmentChanges (sky) ApplySkylightChanges ApplySunChanges ApplyLightChanges ApplyMaterialChanges ApplyMeshChanges ApplyMeshInstanceChanges ApplyGroundPlaneChanges ApplyClippingPlaneChanges