Patch - Improves code and UI for better engine stability - V14.5.30

Addresses minor issues across the engine to improve stability and UI.

- Updates ImGui window size for better rendering
- Adds macro for boolean returns (R_TRUE and R_FALSE)
- Adds missing includes and removes unused code
- Updates shader code to use the new macros and improve readability

enginecustom/src/inc/system/ecs/components/audio_component.h

@@ -77,7 +77,7 @@ public:
     bool Load(const std::string& path) {
         if (!m_system) {
             Initialize();
-            if (!m_system) return false;
+            if (!m_system) R_FALSE
         }
 
         LOG_INFO("Loading audio file: " + path);
@@ -87,7 +87,7 @@ public:
         if (!std::filesystem::exists(path)) {
             m_lastError = "Fichier non trouv<75>: " + path;
             LOG_ERROR(m_lastError);
-            return false;
+            R_FALSE
         }
 
         if (m_sound) {
@@ -110,10 +110,10 @@ public:
             m_lastError = "<EFBFBD>chec du chargement du son: " + std::to_string(result) + 
                           " (chemin: " + absolutePath.string() + ")";
             LOG_ERROR(m_lastError);
-            return false;
+            R_FALSE
         }
 
-        return true;
+        R_TRUE
     }
 
     /**
@@ -495,7 +495,7 @@ public:
         std::stringstream ss(data);
         std::string type;
         std::getline(ss, type, ':');
-        if (type != "AudioComponent") return false;
+        if (type != "AudioComponent") R_FALSE
 
         std::string s_volume, s_pan, s_pitch, s_looping, s_muted, s_paused, s_priority, s_spatialized, s_use_velocity;
 
@@ -525,7 +525,7 @@ public:
             Load(m_soundPath);
         }
 
-        return true;
+        R_TRUE
     }
 
 private: