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/identity_component.h

@@ -119,7 +119,7 @@ public:
         std::string type;
         std::getline(ss, type, ':');
     
-        if (type != "IdentityComponent") return false;
+        if (type != "IdentityComponent") R_FALSE
     
         std::string token, name, objectTypeStr;
         int id;
@@ -131,7 +131,7 @@ public:
         SetId(id);
         SetName(name);
         SetType(StringToObjectType(objectTypeStr));
-        return true;
+        R_TRUE
     }
 
     void OnImGuiRender() override {