fix: bug in object type annotation replacement

src/convertReplacement/convertFlowTypeReplacement.ts

@@ -8,7 +8,7 @@ export default function convertFlowTypeReplacement(node: Node): Node {
       return node.typeAnnotation
   }
   // @ts-expect-error @babel/types and ast-types aren't compatible atm
-  if (!t.isFlowType(node)) {
+  if (!t.isFlow(node)) {
     const id = convertToIdentifier(node)
     if (id) return t.genericTypeAnnotation(id as any, null)
   }

test/findReplace/flowObjectTypeAnnotationRestCapture.ts

@@ -0,0 +1,29 @@
+export const input = `
+type X = {| ...C, a?: number, b: string |}
+`
+
+export const find = `
+type X = /**/ {| $$$a: $ |}
+`
+
+export const replace = `
+type X = /**/ { $$$a: $ }
+`
+
+export const expectedReplace = `
+type X = {
+  ...C,
+  a?: number,
+  b: string
+}
+`
+import { findReplaceTestcase } from '../findReplaceTestcase'
+
+findReplaceTestcase({
+  file: __filename,
+  parsers: ['babel', 'recast/babel'],
+  input,
+  find,
+  replace,
+  expectedReplace,
+})