fix(tolk/completion): don't show type parameter in value completion (#69)

Fixes #58

Author: i582

server/src/e2e/tolk/testcases/completion/local.test

@@ -107,3 +107,12 @@ fun foo() {
 ------------------------------------------------------------------------
 5  some   int
 5  someOther   slice
+
+========================================================================
+No type parameters completion as value
+========================================================================
+fun foo<TName, TName2>() {
+    TNam<caret>;
+}
+------------------------------------------------------------------------
+No completion items

server/src/languages/tolk/completion/ReferenceCompletionProcessor.ts

@@ -55,6 +55,8 @@ export class ReferenceCompletionProcessor implements ScopeProcessor {
             }
         }
 
+        if (node instanceof TypeParameter) return false
+
         // since structs can be created like `Foo{}` we allow them
         if (node instanceof Struct) return true
         return true