lifecycle: only create tenant media root if needed (cherry-pick #10616)

[gcp-cherry-pick-bot]

Cherry-picked lifecycle: only create tenant media root if needed (#10616)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.46%. Comparing base (72c22b5) to head (53afa55).

Additional details and impacted files

@@                Coverage Diff                 @@
##           version-2024.6   #10617      +/-   ##
==================================================
- Coverage           92.58%   92.46%   -0.12%     
==================================================
  Files                 714      714              
  Lines               35018    35018              
==================================================
- Hits                32421    32381      -40     
- Misses               2597     2637      +40     

Flag	Coverage Δ
e2e	48.38% <ø> (-1.19%)	⬇️
integration	25.37% <ø> (ø)
unit	90.09% <ø> (ø)

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