fix: correctly set compareWith when requesting app refresh with delay (fixes #18998)

[shenxn]

Fixes #18998. When requesting app refresh with a delay, the request will be stored as a string in the form of <appKey>/<compareWith>. However, the address of compareWith is used instead of its value, causing invalid refresh levels being used.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.22%. Comparing base (f15e1bc) to head (540664d).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #21298      +/-   ##
==========================================
- Coverage   55.23%   55.22%   -0.01%     
==========================================
  Files         337      337              
  Lines       57055    57055              
==========================================
- Hits        31515    31510       -5     
- Misses      22847    22854       +7     
+ Partials     2693     2691       -2     

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