Suppression with `SuppressMessageAttribute` is completely broken for variables

Steps to reproduce

Consider this code:

$foo = "never used" # Should generate PSUseDeclaredVarsMoreThanAssignments

$global:var1 = $null # Should generate PSAvoidGlobalVars

Now let's try to add these suppressions:

[Diagnostics.CodeAnalysis.SuppressMessage('NonexistentRule', '')]
$foo = "never used" # Should still generate PSUseDeclaredVarsMoreThanAssignments

[Diagnostics.CodeAnalysis.SuppressMessage('PSAvoidGlobalVars', '')]
$global:var1 = $null # Should NOT generate PSAvoidGlobalVars

Expected behavior

I should still see the PSUseDeclaredVarsMoreThanAssignments warning, but not the PSAvoidGlobalVars one.

Actual behavior

The opposite happens, the first message is suppressed, but the second is not:

RuleName                             Severity     ScriptName Line  Message
--------                             --------     ---------- ----  -------
PSAvoidGlobalVars                    Warning      Test.ps1      5     Found global variable 'global:var1'.

Environment data

> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      7.4.5
PSEdition                      Core
GitCommitId                    7.4.5
OS                             Microsoft Windows 10.0.22631
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

> (Get-Module -ListAvailable PSScriptAnalyzer).Version | ForEach-Object { $_.ToString() }
1.23.0

まず、PSScriptAnalyzer 1.23.0 に対して PowerShell の再現手順を実行し、変数に対して SuppressMessageAttribute がどのように処理されるかを追跡します。NonexistentRule と PSAvoidGlobalVars のルール名の一致を比較します。完了の条件は、存在しないルールでは PSUseDeclaredVarsMoreThanAssignments が抑制されず、有効なルールでは PSAvoidGlobalVars が抑制されることです。