[frontend] Fix theme update twice

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 26.07%. Comparing base (047c156) to head (2c0d7df).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1052 +/- ## ========================================= Coverage 26.07% 26.07% Complexity 1007 1007 ========================================= Files 449 449 Lines 10587 10587 Branches 514 514 ========================================= Hits 2761 2761 Misses 7763 7763 Partials 63 63 ```

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[Christian-DONGMO]

Everything seems good