Handle override RenderBins from asset files

src/rendering/renderable.cpp

@@ -150,6 +150,7 @@ Renderable::Renderable(const ghoul::Dictionary& dictionary, Settings settings)
 
     if (p.renderBinMode.has_value()) {
         _automaticallyUpdateRenderBin = false;
+        _hasOverrideRenderBin = true;
         setRenderBin(codegen::map<Renderable::RenderBin>(*p.renderBinMode));
     }
 
@@ -326,4 +327,8 @@ bool Renderable::automaticallyUpdatesRenderBin() const noexcept {
     return _automaticallyUpdateRenderBin;
 }
 
+bool Renderable::hasOverrideRenderBin() const noexcept {
+    return _hasOverrideRenderBin;
+}
+
 }  // namespace openspace