Rename innerContentScroll prop to innerContentOverflow

[pcln-james]

I need similar behaviour to what is being done with the innerContentScroll prop but I need to set the overflow to hidden. I don't want to create a whole new prop just to control this behaviour in a slightly different way so I thought renaming the prop and setting the changing the default value from true to scroll should help with backwards compatibility. This obviously isn't perfect, if anyone is setting this prop to false their code will be hurt by this but as this is the default functionality and a new prop anyway I think this is safe but I am happy to change the version bump if people disagree.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.06%. Comparing base (b5311a0) to head (c1b248b).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1490      +/-   ##
==========================================
+ Coverage   93.02%   93.06%   +0.03%     
==========================================
  Files         146      146              
  Lines       11040    11040              
  Branches      651      658       +7     
==========================================
+ Hits        10270    10274       +4     
+ Misses        751      741      -10     
- Partials       19       25       +6     

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[sdalonzo]

removing a prop that we know is in use has to be a major or coordinated with all the teams using it