Added ${aspnet-request-posted-body}

[304NotModified]

fixes #103

[codecov]

Codecov Report

Merging #339 into master will decrease coverage by 2%.
The diff coverage is 0%.

@@          Coverage Diff          @@
##           master   #339   +/-   ##
=====================================
- Coverage      63%    61%   -2%     
=====================================
  Files          34     35    +1     
  Lines         468    485   +17     
  Branches      103    111    +8     
=====================================
  Hits          296    296           
- Misses        134    151   +17     
  Partials       38     38

Impacted Files	Coverage Δ
...etCore/LayoutRenderers/AspNetRequestPostedValue.cs	0% <0%> (ø)
...enderers/AspNetRequestQueryStringLayoutRenderer.cs	82% <0%> (-5%)	⬇️
...youtRenderers/AspNetRequestCookieLayoutRenderer.cs	88% <0%> (-4%)	⬇️
...outRenderers/AspNetLayoutMultiValueRendererBase.cs	88% <0%> (-1%)	⬇️
...ayoutRenderers/AspNetRequestValueLayoutRenderer.cs	97% <0%> (+8%)	⬆️

---

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[codecov]

Codecov Report

Merging #339 into master will increase coverage by 1%.
The diff coverage is 76%.

@@          Coverage Diff          @@
##           master   #339   +/-   ##
=====================================
+ Coverage      63%    64%   +1%     
=====================================
  Files          34     36    +2     
  Lines         468    492   +24     
  Branches      103    112    +9     
=====================================
+ Hits          296    314   +18     
- Misses        134    136    +2     
- Partials       38     42    +4

Impacted Files	Coverage Δ
...NetCore/LayoutRenderers/AspNetRequestPostedBody.cs	76% <76%> (ø)
...enderers/AspNetRequestQueryStringLayoutRenderer.cs	82% <0%> (-5%)	⬇️
...youtRenderers/AspNetRequestCookieLayoutRenderer.cs	88% <0%> (-4%)	⬇️
...outRenderers/AspNetLayoutMultiValueRendererBase.cs	88% <0%> (-1%)	⬇️
...pNetCore/LayoutRenderers/AspNetRequestUserAgent.cs	71% <0%> (ø)
...ayoutRenderers/AspNetRequestValueLayoutRenderer.cs	97% <0%> (+8%)	⬆️

---

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[snakefoot]

#754 has reverted this in NLog.Web ver. 5.0

[snakefoot]

Thanks to @bakgerman now NLog.Web.AspNetCore v5.1 re-introduces ${aspnet-request-posted-body} with help from middleware:

app.UseMiddleware<NLog.Web.NLogRequestPostedBodyMiddleware>();

It is no longer necessary to explicit call context.Request.EnableBuffering(); as it is handled by the middleware.