Merge pull request NuGet#9401 from NuGet/dev

[ReleasePrep][2022.10.19]RI of dev into main (NuGet#9280)

* Update NuGetGallery.Services to address CG alerts (NuGet#9274)

* Address accessibility for syntax highlighting (NuGet#9273)

* address accessbility for syntax highlighting

* Fix Support link (NuGet#9276)

* fix broken support link

* Update Download table heading (NuGet#9267)

* update correct place

* update table header placement

* Add instructions to install MSBuildSdk packages (NuGet#9268)

* Added "IsMSBuildSdkPackageType" to determine whether a package is of type MSBuildSdk.

DisplayPackage view modified to show specific instructions for SDK types in project files as per NuGet#8800

* Changed "Include" to correct attribute "Name" for SDK package type

Co-authored-by: Advay Tandon <82980589+advay26@users.noreply.github.com>
Co-authored-by: lyndaidaii <64443925+lyndaidaii@users.noreply.github.com>

* [CodeQL] Suppress CSRF token validation warnings (NuGet#9278)

* Added CSRF token checks to address CodeQL bugs

* Added CodeQL suppressions

* Make thinner border for focused links (NuGet#9277)

* Make thiner border for focused links

* Change border size of package manager tabs

* Delete comment line from base.less

* Change nav-tabs color and make overflow-y visible for package-tags

Co-authored-by: Joel Verhagen <jver@microsoft.com>
Co-authored-by: lyndaidaii <64443925+lyndaidaii@users.noreply.github.com>
Co-authored-by: toseni <seniut.tomas@gmail.com>
Co-authored-by: Ian Rathbone <ian@rathbone.dev>
Co-authored-by: Advay Tandon <82980589+advay26@users.noreply.github.com>
Co-authored-by: Daniel Olczyk <44818681+MRmlik12@users.noreply.github.com>

Merge pull request NuGet#8514 from NuGet/dev

[ReleasePrep][2021.04.08]RI dev into main

Merge pull request NuGet#6815 from NuGet/dev

[ReleasePrep][2019.01.14]RI of dev into master

Tag for the gallery release on 12/12/2018

Revert "Redirect HTTP 400 to a specific error page instead of default…

… for 500" (NuGet#6656)

This reverts commit 64f5a36.

Hotfix: Hotfix: Don't attempt to send emails if they have no recipien…

…ts (NuGet#6639)