### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

copyObject and putObject (and perhaps other requests) requests are accepted and do not return an error when an SSE KMS key is specified. 

### Expected Behavior

The error which should be returned is KMS.NotFoundException.

### How are you starting LocalStack?

Custom (please describe below)

### Steps To Reproduce

#### How are you starting localstack (e.g., `bin/localstack` command, arguments, or `docker-compose.yml`)

    Localstack testcontainers 

#### Client commands (e.g., AWS SDK code snippet, or sequence of "awslocal" commands)

   Call copyObject/putObject via latest version using AWS SDK V2 and specific a ssekmsKeyId.

```java
final var copyObjectRequestBuilder =
        CopyObjectRequest.builder()
            .serverSideEncryption(ServerSideEncryption.AWS_KMS)
            .ssekmsKeyId("NON-EXISTENT KMS KEY")
            .sourceBucket(sourceBucketName)
            .sourceKey(sourceKey)
            .destinationBucket(destinationBucket)
            .destinationKey(destinationKey);
final var copyObjectResponse = sourceRegionS3Client.copyObject(copyObjectRequest); // Error should be thrown here but localstack does not return an error
```

### Environment

```markdown
- OS: MacOS 13.0
- LocalStack: Latest (v1.2.0)
```


### Anything else?

_No response_
SkipValidation,
)
from localstack.aws.api.s3 import Type as GranteeType
from localstack.aws.api.s3 import WebsiteConfiguration
from localstack.aws.handlers import (
    modify_service_response,
    preprocess_request,
    serve_custom_service_request_handlers,
)
from localstack.constants import LOCALHOST_HOSTNAME
from localstack.services.edge import ROUTER
from localstack.services.moto import call_moto
from localstack.services.plugins import ServiceLifecycleHook
from localstack.services.s3.cors import S3CorsHandler
from localstack.services.s3.models import S3Store, get_moto_s3_backend, s3_stores
from localstack.services.s3.notifications import NotificationDispatcher, S3EventNotificationContext
from localstack.services.s3.presigned_url import (
    s3_presigned_url_request_handler,
    s3_presigned_url_response_handler,
    validate_post_policy,
)
from localstack.services.s3.utils import (
    ALLOWED_HEADER_OVERRIDES,
    VALID_ACL_PREDEFINED_GROUPS,
    VALID_GRANTEE_PERMISSIONS,
    _create_invalid_argument_exc,
    capitalize_header_name_from_snake_case,
    get_bucket_from_moto,
    get_header_name,
    get_key_from_moto_bucket,