Revert backflow and re-apply VMR build (#118657)

* Revert "[main] Source code updates from dotnet/dotnet (#118514)"

This reverts commit 2f54ba3.

* Revert incorrect change and re-apply build 278938

* Revert eng/Version.Details change

Author: mmitche

eng/pipelines/libraries/helix-queues-setup.yml

@@ -37,7 +37,7 @@ jobs:
 
     # Linux musl x64
     - ${{ if eq(parameters.platform, 'linux_musl_x64') }}:
-      - ${{ if or(eq(parameters.jobParameters.isExtraPlatformsBuild, true), eq(parameters.jobParameters.includeAllPlatforms, true)) }}:     
+      - ${{ if or(eq(parameters.jobParameters.isExtraPlatformsBuild, true), eq(parameters.jobParameters.includeAllPlatforms, true)) }}:
         - (Alpine.edge.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-edge-helix-amd64
       - ${{ if or(ne(parameters.jobParameters.isExtraPlatformsBuild, true), eq(parameters.jobParameters.includeAllPlatforms, true)) }}:
         - (Alpine.322.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.22-helix-amd64
@@ -75,7 +75,7 @@ jobs:
               - Ubuntu.2204.Amd64.Open
               - (AzureLinux.3.0.Amd64.Open)AzureLinux.3.Amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-helix-amd64
               - (Centos.10.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream-10-helix-amd64
-    
+
     # OSX arm64
     - ${{ if eq(parameters.platform, 'osx_arm64') }}:
       - osx.13.arm64.open