[patch] check if efs id is not None in ocp_deprovision for rosa

[mnivedithaa]

Description

After ansible version is updated, efs id value returned is null but since we are only checking for not empty, it is trying to get efs detail for null efs id and failed

`TASK [ibm.mas_devops.ocp_deprovision : Filter-efsId : EfsId] *******************
ok: [localhost] => {"ansible_facts": {"efs_id": null}, "changed": false}

TASK [ibm.mas_devops.ocp_deprovision : rosa : Get-mountId : MountId] ***********
[ERROR]: Task failed: Module failed: non-zero return code
Origin: /opt/app-root/lib64/python3.12/site-packages/ansible_collections/ibm/mas_devops/roles/ocp_deprovision/tasks/providers/rosa.yml:115:7

113 when: efs_id != ""
114 block:
115 - name: "rosa : Get-mountId : MountId"
^ column 7

fatal: [localhost]: FAILED! => {"changed": true, "cmd": "aws efs describe-mount-targets --file-system-id --query "MountTargets[*].MountTargetId"", "delta": "0:00:00.937337", "end": "2025-12-02 09:32:57.214194", "msg": "non-zero return code", "rc": 252, "start": "2025-12-02 09:32:56.276857", "stderr": "\naws: [ERROR]: argument --file-system-id: expected one argument\n\nusage: aws [options] [ ...] [parameters]\nTo see help text, you can run:\n\n aws help\n aws help\n aws help", "stderr_lines": ["", "aws: [ERROR]: argument --file-system-id: expected one argument", "", "usage: aws [options] [ ...] [parameters]", "To see help text, you can run:", "", " aws help", " aws help", " aws help"], "stdout": "", "stdout_lines": []}
`