Refactor AssetProperties layout, enhance PositionInput component with optional properties, and implement new asset event fetching logic

app/src/components/layout/sidebarRight/properties/AssetProperties.tsx

@@ -55,8 +55,6 @@ const AssetProperties: React.FC = () => {
       {/* Name */}
       <div className="header">{selectedFloorItem.userData.name}</div>
 
-      <div className="split"></div>
-
       <PositionInput
         onChange={() => {}}
         value1={xValue.toFixed(5)}