Reduce workspace tree refresh debounce timeout to 1500ms

- show 'crunching token...' after just 1s

└── apps
    └── editor
        └── src
            ├── context
            │   └── providers
            │       └── workspace
            │           ├── modules
            │           │   └── token-calculator.ts
            │           └── workspace-provider.ts
            └── i18n
                └── translations
                    └── context.ts

Author: robertpiosik

apps/editor/src/context/providers/workspace/workspace-provider.ts

@@ -498,7 +498,7 @@ export class WorkspaceProvider
     this._refresh_timeout = setTimeout(() => {
       this._on_did_change_tree_data.fire()
       this._refresh_timeout = null
-    }, 3000)
+    }, 1500)
   }
 
   public async clear_checks(): Promise<void> {