Adding package id and source prefix to signing logs

[mishra14]

Bug

Fixes: NuGet/Home#6944
Regression: No

Fix

Details: This PR fixes signing logs by adding a prefix indicating the package id, version and source for the error or warning.

Result

before -

WARNING: NU3018: The author primary signature found a chain building issue: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
WARNING: NU3037: The author primary signature validity period has expired.
Committing restore...
Generating MSBuild file F:\validation\testsdk\obj\testsdk.csproj.nuget.g.props.
Writing lock file to disk. Path: F:\validation\testsdk\obj\project.assets.json
Restore failed in 884.94 ms for F:\validation\testsdk\testsdk.csproj.

Errors in F:\validation\testsdk\testsdk.csproj
    NU3008: The package integrity check failed.

after -

WARNING: NU3018: Package 'A 1.0.0' from source 'F:\validation\test-local-source': The author primary signature found a chain building issue: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
WARNING: NU3037: Package 'A 1.0.0' from source 'F:\validation\test-local-source': The author primary signature validity period has expired.
Committing restore...
Generating MSBuild file C:\Users\anmishr\Source\Repos\ConsoleApp175\ConsoleApp175\obj\ConsoleApp175.csproj.nuget.g.props.
Writing lock file to disk. Path: C:\Users\anmishr\Source\Repos\ConsoleApp175\ConsoleApp175\obj\project.assets.json
Restore failed in 545.51 ms for C:\Users\anmishr\Source\Repos\ConsoleApp175\ConsoleApp175\ConsoleApp175.csproj.

Errors in C:\Users\anmishr\Source\Repos\ConsoleApp175\ConsoleApp175\ConsoleApp175.csproj
    NU3008: Package 'A 1.0.0' from source 'F:\validation\test-local-source': The package integrity check failed.

Testing/Validation

Tests Added: Yes
Validation done: Manual validation

[mishra14]

This is a followup PR to #2332. After discusssing with @anangaur, @rrelyea and @dtivel, we decided to have a single prefix strategy for all signing logs.