In svg_draw, move the y axis when there's a title

[hyanwong]

Fixes #3451

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.67%. Comparing base (9be15c4) to head (a163b65).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3452   +/-   ##
=======================================
  Coverage   91.66%   91.67%           
=======================================
  Files          38       38           
  Lines       32184    32186    +2     
  Branches     5150     5150           
=======================================
+ Hits        29503    29505    +2     
  Misses       2348     2348           
  Partials      333      333           

Flag	Coverage Δ
C	82.23% <ø> (ø)
c-python	77.54% <ø> (ø)
python-tests	96.40% <100.00%> (+<0.01%)	⬆️
python-tests-no-jit	33.20% <16.66%> (+<0.01%)	⬆️

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Components	Coverage Δ
Python API	98.70% <100.00%> (+<0.01%)	⬆️
Python C interface	91.23% <ø> (ø)
C library	91.24% <ø> (ø)

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[hyanwong]

I'm keen to merge this, as it's a minor bug fix which is holding up some of the tutorials. I'm not sure who is well placed to look it over now: perhaps if @benjeffery has a moment, although it'll be entirely voluntary!

Here's a before and after screengrab:

Before

(note the position of the 0 point on the y axis, and the cutting-off of the y axis title)

After