#2331 fix bug in size of yS numpy array when simulation stops early

[martinjrobins]

Description

fix bug in size of yS numpy array when simulation stops early

Fixes #2331

Type of change

• Bug fix (non-breaking change which fixes an issue)

Key checklist:

• No style issues: $ flake8
• All tests pass: $ python run-tests.py --unit
• The documentation builds: $ cd docs and then $ make clean; make html

You can run all three at once, using $ python run-tests.py --quick.

Further checks:

• Code is commented, particularly in hard-to-understand areas
• Tests added that prove fix is effective or that feature works

[codecov]

Codecov Report

Base: 99.64% // Head: 99.64% // No change to project coverage 👍

Coverage data is based on head (a6bb115) compared to base (cf03cf9).
Patch has no changes to coverable lines.

❗ Current head a6bb115 differs from pull request most recent head 25d1d0b. Consider uploading reports for the commit 25d1d0b to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2337   +/-   ##
========================================
  Coverage    99.64%   99.64%           
========================================
  Files          361      361           
  Lines        19918    19918           
========================================
  Hits         19847    19847           
  Misses          71       71           

Impacted Files	Coverage Δ
pybamm/solvers/idaklu_solver.py	98.98% <0.00%> (ø)

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[valentinsulzer]

Can you add a test where an event is triggered?

[valentinsulzer]

Thanks!

[valentinsulzer]

should be in "Unreleased" section