docs: updated import command in the Disaster Recovery

[annakosek]

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Optional. My organization is added to USERS.md.
• I've signed the CLA and my build is green (troubleshooting builds).

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #3710 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3710   +/-   ##
=======================================
  Coverage   41.39%   41.39%           
=======================================
  Files         115      115           
  Lines       16540    16540           
=======================================
  Hits         6846     6846           
  Misses       8808     8808           
  Partials      886      886           

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[annakosek]

Refers to issue #3478

[jannfis]

LGTM!

Thank you @annakosek!