feat: no-verify for language server (#3732)

Enable the --no-verify option that is already available for the command
line for the language server, for research
and teaching purposes.

<small>By submitting this pull request, I confirm that my contribution
is made under the terms of the [MIT
license](https://github.com/dafny-lang/dafny/blob/master/LICENSE.txt).</small>

Source/DafnyLanguageServer/ServerCommand.cs

@@ -42,6 +42,7 @@ related locations
   };
 
   public IEnumerable<Option> Options => new Option[] {
+    BoogieOptionBag.NoVerify,
     Verification,
     GhostIndicators,
     LineVerificationStatus,

Source/DafnyLanguageServer/Workspace/Compilation.cs

@@ -101,6 +101,9 @@ private async Task<DocumentAfterParsing> ResolveAsync() {
 
   private async Task<DocumentAfterTranslation> TranslateAsync() {
     var parsedCompilation = await ResolvedDocument;
+    if (!options.Verify) {
+      throw new OperationCanceledException();
+    }
     if (parsedCompilation is not DocumentAfterResolution resolvedCompilation) {
       throw new OperationCanceledException();
     }

docs/dev/news/no-verify-server.feat

@@ -0,0 +1 @@
+Added option --no-verify for language server