chore: try to fix unity 6 test

Author: ImmutableJeffrey

sample-unity6/Assets/Settings/Build Profiles/Windows Profile.asset

@@ -20,7 +20,8 @@ MonoBehaviour:
     rid: 5612885467593965569
   m_OverrideGlobalSceneList: 0
   m_Scenes: []
-  m_ScriptingDefines: []
+  m_ScriptingDefines:
+  - UWB_WEBVIEW
   m_PlayerSettingsYaml:
     m_Settings:
     - line: '| PlayerSettings:'

sample-unity6/ProjectSettings/ProjectSettings.asset

@@ -777,7 +777,8 @@ PlayerSettings:
   webGLWebAssemblyBigInt: 0
   webGLCloseOnQuit: 0
   webWasm2023: 0
-  scriptingDefineSymbols: {}
+  scriptingDefineSymbols:
+    Standalone: UWB_WEBVIEW
   additionalCompilerArguments: {}
   platformArchitecture: {}
   scriptingBackend:

sample/ProjectSettings/ProjectSettings.asset

@@ -776,7 +776,7 @@ PlayerSettings:
   webGLPowerPreference: 2
   scriptingDefineSymbols:
     Android: VUPLEX_STANDALONE
-    Standalone: VUPLEX_STANDALONE
+    Standalone: UWB_WEBVIEW;VUPLEX_STANDALONE
     iPhone: 
   additionalCompilerArguments:
     Standalone: