fix not reading initial values of VariableGroups

src/ApplicationModule.cc

@@ -88,7 +88,8 @@ namespace ChimeraTK {
     // Read all variables once to obtain the initial values from the devices and from the control system persistency
     // layer. This is done in two steps, first for all poll-type variables and then for all push-types, because
     // poll-type reads might trigger distribution of values to push-type variables via a ConsumingFanOut.
-    for(auto& variable : getAccessorList()) {
+    for(auto& variable : getAccessorListRecursive()) {
+      if(variable.getDirection().dir == VariableDirection::feeding) continue;
       if(variable.getMode() == UpdateMode::poll) {
         auto hasInitialValue = variable.hasInitialValue();
         if(hasInitialValue != VariableNetworkNode::InitialValueMode::None) {
@@ -96,7 +97,8 @@ namespace ChimeraTK {
         }
       }
     }
-    for(auto& variable : getAccessorList()) {
+    for(auto& variable : getAccessorListRecursive()) {
+      if(variable.getDirection().dir == VariableDirection::feeding) continue;
       if(variable.getMode() == UpdateMode::push) {
         auto hasInitialValue = variable.hasInitialValue();
         if(hasInitialValue == VariableNetworkNode::InitialValueMode::Poll) {