fix: showPreviousMonths calendar jump

[annadrg]

Fix for #4023

[pullrequest]

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[pullrequest]

PullRequest Breakdown

Reviewable lines of change

+ 41
- 27

79% JavaScript
21% JavaScript (tests)

Type of change

Fix - These changes are likely to be fixing a bug or issue.

[codecov]

Codecov Report

Merging #4257 (bd1819d) into main (3b6ff01) will increase coverage by 0.00%.
Report is 8 commits behind head on main.
The diff coverage is 100.00%.

❗ Current head bd1819d differs from pull request most recent head 6039200. Consider uploading reports for the commit 6039200 to get more accurate results

@@           Coverage Diff           @@
##             main    #4257   +/-   ##
=======================================
  Coverage   96.33%   96.33%           
=======================================
  Files          25       25           
  Lines        2346     2347    +1     
  Branches      959      958    -1     
=======================================
+ Hits         2260     2261    +1     
  Misses         86       86           

Files Changed	Coverage Δ
src/calendar.jsx	98.32% <100.00%> (+<0.01%)	⬆️