also try extracting payload config as Data<T>

[robjtede]

PR Type

Ergonomics Improvement

PR Checklist

Check your PR fulfills the following:

• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.
• A changelog entry has been made for the appropriate packages.

Overview

When setting payload config it seems to make sense to check Data too to allow for programmer error (for lack of better phrase) in using App::data instead of App::app_data to set config, especially since a mis-configuration currently does not result in an error message (because default fallback config is used).

Follow-up Work

Apply same change to Json and Form extractors.

[codecov-commenter]

Codecov Report

Merging #1610 into master will increase coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1610      +/-   ##
==========================================
+ Coverage   52.89%   53.06%   +0.16%     
==========================================
  Files         124      124              
  Lines       11771    11807      +36     
==========================================
+ Hits         6226     6265      +39     
+ Misses       5545     5542       -3     

Impacted Files	Coverage Δ
src/types/payload.rs	86.47% <100.00%> (+5.87%)	⬆️

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[JohnTitor]

Sounds good idea, lgtm.