test: replace non-existent useStore with useOptionsStore (#2827)

Author: noootwo

packages/pinia/test-dts/mapHelpers.test-d.ts

@@ -116,7 +116,7 @@ expectType<{
   }
 }>(mapWritableState(useOptionsStore, ['a']))
 // @ts-expect-error: only defined in array
-mapWritableState(useStore, ['a']).b
+mapWritableState(useOptionsStore, ['a']).b
 
 expectType<{
   newA: {
@@ -126,9 +126,9 @@ expectType<{
 }>(mapWritableState(useOptionsStore, { newA: 'a' }))
 
 // @ts-expect-error: cannot use a getter
-mapWritableState(useStore, ['upper'])
+mapWritableState(useOptionsStore, ['upper'])
 // @ts-expect-error: cannot use a getter
-mapWritableState(useStore, { up: 'upper' })
+mapWritableState(useOptionsStore, { up: 'upper' })
 
 const setupStoreWithState = mapState(useSetupStore, ['a'])