[fix] brush selection on groups (#335)

* select groups rather than grouped shapes

* Adds test

packages/tldraw/package.json

     "@radix-ui/react-radio-group": "^0.1.1",
     "@radix-ui/react-tooltip": "^0.1.1",
     "@stitches/react": "^1.2.5",
-    "@tldraw/core": "^1.1.0",
+    "@tldraw/core": "^1.1.1",
     "@tldraw/intersect": "latest",
     "@tldraw/vec": "latest",
     "perfect-freehand": "^1.0.16",

packages/tldraw/src/state/sessions/BrushSession/BrushSession.spec.ts

 
   it('when command is held, require the entire shape to be selected', () => {
     const app = new TldrawTestApp()
-      .loadDocument(mockDocument)
-      .selectNone()
       .loadDocument(mockDocument)
       .selectNone()
       .movePointer([-10, -10])
 
     expect(app.selectedIds.length).toBe(0)
   })
+
+  it('selects groups rather than grouped shapes', () => {
+    const app = new TldrawTestApp()
+      .loadDocument(mockDocument)
+      .selectAll()
+      .group()
+      .movePointer([-10, -10])
+      .startSession(SessionType.Brush)
+      .movePointer({ x: 100, y: 100 })
+      .stopPointing()
+
+    expect(app.selectedIds.length).toBe(1)
+  })
 })

packages/tldraw/src/state/sessions/BrushSession/BrushSession.ts

 
   constructor(app: TldrawApp) {
     super(app)
+    const { currentPageId } = app
     this.initialSelectedIds = new Set(this.app.selectedIds)
     this.shapesToTest = this.app.shapes
       .filter(
           !(
             shape.isLocked ||
             shape.isHidden ||
-            shape.children !== undefined ||
+            shape.parentId !== currentPageId ||
             this.initialSelectedIds.has(shape.id) ||
             this.initialSelectedIds.has(shape.parentId)
           )
     const selectedIds = new Set(initialSelectedIds)
 
     shapesToTest.forEach(({ id, selectId }) => {
-      if (selectedIds.has(id)) return
-
       const { metaKey } = this.app
 
       const shape = this.app.getShape(id)

packages/tldraw/tsconfig.json

     "rootDir": "src",
     "baseUrl": "src",
     "paths": {
-      "~*": ["./*"]
+      "~*": ["./*"],
+      "@tldraw/core": ["../core"]
     }
   },
   "typedocOptions": {