Azurite doesn't check if CORS rules is too many when set service properties

**Error Description:**
In Azure, it will return an error when set service properties with too many CORS rules.
But in Azurite. it will set service properties successfully in this case.
Azure error is shown as following:

**To Reproduce:**
Please run the demo code as following:
```Typescript
import { BlobServiceClient, StorageSharedKeyCredential } from "@azure/storage-blob";
import { assert } from "chai";

async function main() {
const blobServiceClient = new BlobServiceClient("", new StorageSharedKeyCredential("", ""));
const cors = new Array();
const newCORS = {
allowedHeaders: "*",
allowedMethods: "GET",
allowedOrigins: "example.com",
exposedHeaders: "*",
maxAgeInSeconds: 8888
};
for (let i = 0; i < 6; i++) {
cors.push(newCORS);
}

await blobServiceClient.setProperties({cors:cors});
}

main().catch((err) => {
assert.ok(err);
});
```

**Expected Behavior:**
When set service properties with too many CORS rules, Azurite will return an error.

@jongio for notification.