[system] Redirect of put requests was converted to get. Fixes #16670
[mcs] Show correct #line location for files in other than current location referenced as relative files. Fixes #16576
Merge branch 'master' of github.com:mono/mono into symform-3-0
Revert "Merge pull request #817 from desdesdes/master"

This reverts commit 6cce4a3937d2b007d2d2edfb245cc1f5c66a3d95, reversing
changes made to 127ff387baea81e30d5cb3d76f0211cdc9ec7d21.