Added call forwarding to update_condition

• add a call to the detsvc to allow updating a condition.
• move function that computes position of microcluster into header such that it can be moved in more places

Needed by Rec!4161

Det/LbDD4hep/include/LbDD4hep/IDD4hepSvc.h

@@ -348,6 +348,11 @@ namespace LHCb::Det::LbDD4hep {
     virtual bool addShared( LHCb::span<const std::string> inputs, const std::string& output,
                             DD4HepDerivationFunc& func ) = 0;
 
+    /**
+     * Helper to update the conditions overlay of a given DetElement
+     */
+    virtual void update_condition( const dd4hep::DetElement& de, const std::string& cond, const YAML::Node& data ) = 0;
+
     /**
      * Helper to update in the conditions overlay the alignment condition of a given DetElement (in LHCb units).
      */