don't allow edit on sketches with no variable declaration (#3292)

don't allow edit on sketches with no variable decleration

src/lang/queryAst.ts

@@ -791,6 +791,7 @@ export function isSingleCursorInPipe(
   const pathToNode = getNodePathFromSourceRange(ast, selection.range)
   const nodeTypes = pathToNode.map(([, type]) => type)
   if (nodeTypes.includes('FunctionExpression')) return false
+  if (!nodeTypes.includes('VariableDeclaration')) return false
   if (nodeTypes.includes('PipeExpression')) return true
   return false
 }

src/lang/std/artifactGraph.test.ts

@@ -458,6 +458,9 @@ async function GraphTheGraph(
   await page.waitForSelector('#plotly-graph')
   const element = await page.$('#plotly-graph')
 
+  // wait an extra bit for things to settle
+  await new Promise((resolve) => setTimeout(resolve, 500))
+
   // @ts-ignore
   await element.screenshot({
     path: `./e2e/playwright/temp3.png`,