title: [fail]: OmniSharp.MSBuild.ProjectManager Attempted to update project that is not loaded in Unity, VSCode
body: <p>So in Unity this error with Omnisharp appears</p>
  <pre><code>&quot;[fail]: OmniSharp.MSBuild.ProjectManager
          Attempted to update project that is not loaded:&quot;
  </code></pre>
  <p>for all of these files:</p>
  <p><a href="https://i.stack.imgur.com/t6mBO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/t6mBO.png" alt="enter image description here" /></a></p>
  <p>And because of that i cannot use Intellisense for Unity in VSCode.</p>