Fix inconsistent remaining minutes attribute

[ofalvai]

No description provided.

[github-actions]

🎉 HACS repository validator action summary 🎉
✅ The repository is not archived
✅ manifest.json file exist
✅ All required keys are present in manifest.json
✅ hacs.json has the 'name' key set
✅ The repository has a description
✅ candy is added to https://github.com/home-assistant/brands NICE!
✅ The repository has topics
✅ The repository has issues enabled
✅ This day ends with an 'y' (Tuesday)
✅ README.md exists
✅ Requirements validation
✅ Python wheels
✅ HACS load check

[codecov]

Codecov Report

Merging #24 (9d4bab6) into main (b2b8db5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #24   +/-   ##
=======================================
  Coverage   86.66%   86.66%           
=======================================
  Files           6        6           
  Lines         405      405           
=======================================
  Hits          351      351           
  Misses         54       54           

Impacted Files	Coverage Δ
custom_components/candy/sensor.py	98.21% <ø> (ø)

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