refactor(Core): apply clang-tidy modernize-use-default-member-init (#3827)

src/common/Collision/Management/IVMapManager.h

@@ -33,11 +33,11 @@ namespace VMAP
     class IVMapManager
     {
     private:
-        bool iEnableLineOfSightCalc;
-        bool iEnableHeightCalc;
+        bool iEnableLineOfSightCalc{true};
+        bool iEnableHeightCalc{true};
 
     public:
-        IVMapManager() : iEnableLineOfSightCalc(true), iEnableHeightCalc(true) { }
+        IVMapManager()  { }
 
         virtual ~IVMapManager() = default;
 

src/common/Collision/Management/VMapManager2.h

@@ -52,14 +52,14 @@ namespace VMAP
     class ManagedModel
     {
     public:
-        ManagedModel() : iModel(nullptr), iRefCount(0) { }
+        ManagedModel()  { }
         void setModel(WorldModel* model) { iModel = model; }
         WorldModel* getModel() { return iModel; }
         void incRefCount() { ++iRefCount; }
         int decRefCount() { return --iRefCount; }
     protected:
-        WorldModel* iModel;
-        int iRefCount;
+        WorldModel* iModel{nullptr};
+        int iRefCount{0};
     };
 
     typedef std::unordered_map<uint32, StaticMapTree*> InstanceTreeMap;