Enable ts-strict for commandStore (#1321)

src/scripts/app.ts

@@ -148,6 +148,8 @@ export class ComfyApp {
   canvasContainer: HTMLElement
   menu: ComfyAppMenu
   bypassBgColor: string
+  // Set by Comfy.Clipspace extension
+  openClipspace: () => void = () => {}
 
   /**
    * @deprecated Use useExecutionStore().executingNodeId instead

src/scripts/ui.ts

@@ -611,7 +611,6 @@ export class ComfyUI {
       $el('button', {
         id: 'comfy-clipspace-button',
         textContent: 'Clipspace',
-        // @ts-expect-error Move to ComfyApp
         onclick: () => app.openClipspace()
       }),
       $el('button', {