core: prevent static initialization issue with Time::Resolution on Cppyy 3

src/core/model/nstime.h

@@ -653,8 +653,7 @@ class Time
      */
     static inline Resolution* PeekResolution()
     {
-        static Time::Resolution& resolution{SetDefaultNsResolution()};
-        return &resolution;
+        return &m_resolution;
     }
 
     /**
@@ -832,7 +831,8 @@ class Time
     friend Time& operator-=(Time& lhs, const Time& rhs);
     /**@}*/ // Compound assignment
 
-    int64_t m_data; //!< Virtual time value, in the current unit.
+    int64_t m_data;                       //!< Virtual time value, in the current unit.
+    static Time::Resolution m_resolution; //!< The current time resolution
 
 }; // class Time
 

src/core/model/time.cc

@@ -91,6 +91,9 @@ Time::MarkedTimes* Time::g_markingTimes = nullptr;
 /// The static mutex for critical sections around modification of Time::g_markingTimes.
 static std::mutex g_markingMutex;
 
+// The resolution of the Time class
+Time::Resolution Time::m_resolution{SetDefaultNsResolution()};
+
 // Function called to force static initialization
 // static
 bool