Create dispatch functions for resize_dist and ndim_supp_dist

[ricardoV94]

This allows us to better manipulate SymbolicDistributions and get closer to #5533

[ricardoV94]

This is not great, but can't think of a less wasteful way

[codecov]

Codecov Report

Merging #5702 (4702bd4) into main (8350b29) will decrease coverage by 4.14%.
The diff coverage is 71.05%.

@@            Coverage Diff             @@
##             main    #5702      +/-   ##
==========================================
- Coverage   88.89%   84.74%   -4.15%     
==========================================
  Files          75       75              
  Lines       13746    13770      +24     
==========================================
- Hits        12219    11669     -550     
- Misses       1527     2101     +574     

Impacted Files	Coverage Δ
pymc/distributions/censored.py	38.98% <38.46%> (-56.02%)	⬇️
pymc/distributions/mixture.py	71.50% <46.15%> (-25.56%)	⬇️
pymc/distributions/distribution.py	85.36% <66.66%> (-4.88%)	⬇️
pymc/model.py	85.54% <66.66%> (-0.62%)	⬇️
pymc/distributions/multivariate.py	87.69% <75.00%> (-4.47%)	⬇️
pymc/distributions/shape_utils.py	83.18% <85.71%> (-13.90%)	⬇️
pymc/aesaraf.py	88.53% <100.00%> (-2.83%)	⬇️
pymc/distributions/timeseries.py	47.31% <100.00%> (ø)
pymc/sampling.py	88.43% <100.00%> (-0.11%)	⬇️
pymc/func_utils.py	22.50% <0.00%> (-65.00%)	⬇️
... and 20 more

[ricardoV94]

Closed in favor of #6072