ctx.subscriptions usage

[Dan Pollak]

Two items related to ctx.subscriptions --

• This code isn't working as expected and yields errors when the extension is unloaded --

  AutoIt-VSCode/src/extension.js

  Lines 53 to 61 in 2c3c041

   const features = [ 
     hoverFeature, 
     completionFeature, 
     symbolsFeature, 
     signaturesFeature, 
     workspaceSymbolsFeature, 
     goToDefinitionFeature, 
   ]; 
   ctx.subscriptions.push(...features); 

This is a snippet of the runtime error --

2023-01-09 13:26:13.361 [info] Extension host terminating: received terminate message from renderer
2023-01-09 13:26:13.375 [error] An error occurred when deactivating the subscriptions for extension 'Damien.autoit':
2023-01-09 13:26:13.376 [error] AggregateError: Encountered errors while disposing of store
	at y (c:\Program Files\Microsoft VS Code\resources\app\out\vs\workbench\api\node\extensionHostProcess.js:10:12197)
	at d.X (c:\Program Files\Microsoft VS Code\resources\app\out\vs\workbench\api\node\extensionHostProcess.js:106:11533)
	at c:\Program Files\Microsoft VS Code\resources\app\out\vs\workbench\api\node\extensionHostProcess.js:106:9301
	at Array.map (<anonymous>)

Same issue has been described in microsoft/vscode#136150

• Shouldn't registered commands be "subscribed"? See https://stackoverflow.com/questions/55554018/purpose-for-subscribing-a-command-in-vscode-extension