feat: Set default for Accept field in header to take application/json

[hughhhh]

💔 Breaking Changes:

Related to apache/superset#17195, Users would see html render for error instead of error json response. To make sure this doesn't happen we are setting the default headers to Accept: application/json

🏆 Enhancements

📜 Documentation

🐛 Bug Fix

🏠 Internal

[vercel]

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[codecov]

Codecov Report

Merging #1413 (4ee5c88) into master (f279549) will increase coverage by 3.25%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1413      +/-   ##
==========================================
+ Coverage   30.42%   33.67%   +3.25%     
==========================================
  Files         497      499       +2     
  Lines       10003    12481    +2478     
  Branches     1689     2241     +552     
==========================================
+ Hits         3043     4203    +1160     
- Misses       6714     8015    +1301     
- Partials      246      263      +17     

Impacted Files	Coverage Δ
...rset-ui-core/src/connection/SupersetClientClass.ts	100.00% <100.00%> (ø)
...chart-echarts/src/Timeseries/Area/controlPanel.tsx	42.85% <0.00%> (-7.15%)	⬇️
...rt-echarts/src/Timeseries/Regular/controlPanel.tsx	42.85% <0.00%> (-7.15%)	⬇️
...ts/src/Timeseries/Regular/Scatter/controlPanel.tsx	42.85% <0.00%> (-7.15%)	⬇️
...ugin-chart-echarts/src/Timeseries/controlPanel.tsx	33.33% <0.00%> (-6.67%)	⬇️
...chart-echarts/src/Timeseries/Step/controlPanel.tsx	33.33% <0.00%> (-6.67%)	⬇️
plugins/plugin-chart-table/src/i18n.ts	100.00% <0.00%> (ø)
plugins/plugin-chart-table/src/Styles.tsx	100.00% <0.00%> (ø)
plugins/preset-chart-xy/src/Line/index.ts	0.00% <0.00%> (ø)
packages/superset-ui-core/src/color/index.ts	100.00% <0.00%> (ø)
... and 168 more

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[betodealmeida]

Thanks for adding the test!