Add optimized sensor management tutorial

[nperree-dstl]

Add tutorial explaining the sensor managers which use the Scipy optimize library. This PR also includes some updates/improvements to the optimised sensor managers.

[codecov[bot]]

Codecov Report

Merging #665 (8441dba) into main (bfecfd6) will decrease coverage by 0.02%. The diff coverage is 82.35%.

:exclamation: Current head 8441dba differs from pull request most recent head b30cf04. Consider uploading reports for the commit b30cf04 to get more accurate results

@@            Coverage Diff             @@
##             main     #665      +/-   ##
==========================================
- Coverage   94.55%   94.52%   -0.03%     
==========================================
  Files         168      168              
  Lines        8441     8456      +15     
  Branches     1633     1633              
==========================================
+ Hits         7981     7993      +12     
- Misses        343      345       +2     
- Partials      117      118       +1     

Flag	Coverage Δ
integration	69.33% <70.58%> (+0.52%)	:arrow_up:
unittests	92.00% <70.58%> (-0.05%)	:arrow_down:

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Impacted Files	Coverage Δ
stonesoup/sensormanager/optimise.py	91.07% <82.35%> (-4.06%)	:arrow_down:

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