fix(Core/Weather): Improve weather system thread safety (#22772)

Co-authored-by: Shauren <shauren.trinity@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/server/game/Weather/Weather.h

@@ -25,6 +25,7 @@
 #include "SharedDefines.h"
 #include "Timer.h"
 
+class Map;
 class Player;
 
 #define WEATHER_SEASONS 4
@@ -63,7 +64,7 @@ enum WeatherState : uint32
 class Weather
 {
 public:
-    Weather(uint32 zone, WeatherData const* weatherChances);
+    Weather(Map* map, uint32 zone, WeatherData const* weatherChances);
     ~Weather() = default;
 
     bool Update(uint32 diff);
@@ -71,6 +72,7 @@ public:
     bool UpdateWeather();
 
     void SendWeatherUpdateToPlayer(Player* player);
+    static void SendFineWeatherUpdateToPlayer(Player* player);
     void SetWeather(WeatherType type, float grade);
 
     /// For which zone is this weather?
@@ -79,6 +81,7 @@ public:
 
 private:
     [[nodiscard]] WeatherState GetWeatherState() const;
+    Map* m_map;
     uint32 m_zone;
     WeatherType m_type;
     float m_grade;