chore(backport release-1.1): fix(controller): expressions: fix quote() of a json object

[akuitybot]

Automated backport to release-1.1, triggered by a label in #3111.

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[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 51.15%. Comparing base (31d32d7) to head (f8cc08c).
Report is 1 commits behind head on release-1.1.

Files with missing lines	Patch %	Lines
internal/expressions/json_templates.go	50.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-1.1    #3116      +/-   ##
===============================================
- Coverage        51.15%   51.15%   -0.01%     
===============================================
  Files              283      283              
  Lines            25471    25476       +5     
===============================================
+ Hits             13030    13032       +2     
- Misses           11748    11750       +2     
- Partials           693      694       +1     

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