Enable nullable on .NET Standard 2.0

Author: RenderMichael

dotnet/src/webdriver/BUILD.bazel

@@ -37,7 +37,7 @@ csharp_library(
         "WebDriver.Common.Tests",
     ],
     langversion = "12.0",
-    nullable = "annotations",
+    nullable = "enable",
     resources = [
         "//javascript/atoms/fragments:find-elements.js",
         "//javascript/atoms/fragments:is-displayed.js",
@@ -105,7 +105,7 @@ csharp_library(
     out = "WebDriver.StrongNamed",
     keyfile = "//dotnet:WebDriver.snk",
     langversion = "12.0",
-    nullable = "annotations",
+    nullable = "enable",
     resources = [
         "//javascript/atoms/fragments:find-elements.js",
         "//javascript/atoms/fragments:is-displayed.js",

dotnet/src/webdriver/WebDriver.csproj

@@ -5,6 +5,7 @@
     <AssemblyName>WebDriver</AssemblyName>
     <RootNamespace>OpenQA.Selenium</RootNamespace>
     <LangVersion>12.0</LangVersion>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -41,18 +42,12 @@
 
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
-
-  <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
-    <Nullable>enable</Nullable>
-    
-    <!--TODO when AOT is ready https://github.com/SeleniumHQ/selenium/issues/14480-->
-    <!--<IsAotCompatible>true</IsAotCompatible>-->
-  </PropertyGroup>
-
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
-    <Nullable>annotations</Nullable>
-  </PropertyGroup>
-
+  <!--TODO when AOT is ready https://github.com/SeleniumHQ/selenium/issues/14480-->
+  <!--<PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+    -->
+  <!--<IsAotCompatible>true</IsAotCompatible>-->
+  <!--
+  </PropertyGroup>-->
   <ItemGroup>
     <InternalsVisibleTo Include="WebDriver.Common.Tests" />
   </ItemGroup>