Clean up analyzer warnings across app search and ISO workflows (#4794)

* Clean up analyzer warnings

* Align analyzer warning cleanup policy

* Run PSScriptAnalyzer directly in unittests workflow

* Bind lazy-rendered buttons to click handlers

* Remove WinUtil performance tracing

* Fix Win11 ISO creator temp directory reuse

pester/lazy-tabs.Tests.ps1

@@ -11,9 +11,6 @@ BeforeAll {
     function Initialize-WPFUI {
         param([string]$TargetGridName)
     }
-    function Write-WinUtilPerformanceCheckpoint {
-        param([string]$Name)
-    }
     function Invoke-WinUtilISOCheckExistingWork { }
 
     . (Join-Path $script:repoRoot "functions\private\Initialize-WinUtilTabContent.ps1")
@@ -32,7 +29,6 @@ Describe "Initialize-WinUtilTabContent" {
 
         Mock Invoke-WPFUIElements { }
         Mock Initialize-WPFUI { }
-        Mock Write-WinUtilPerformanceCheckpoint { }
     }
 
     AfterEach {
@@ -91,4 +87,13 @@ Describe "Startup lazy tab wiring" {
 
         $tabScript | Should -Match 'Initialize-WinUtilTabContent -TabName \$sync\.currentTab'
     }
+
+    It "binds generated button clicks when lazy panels are rendered" {
+        $rendererScript = Get-Content -Path (Join-Path $script:repoRoot "functions\public\Invoke-WPFUIElements.ps1") -Raw
+        $mainScript = Get-Content -Path (Join-Path $script:repoRoot "scripts\main.ps1") -Raw
+
+        $rendererScript | Should -Match '(?s)"Button"\s*\{.*\$button\.Add_Click\(\{.*Invoke-WPFButton \$Sender\.name'
+        $rendererScript | Should -Match '\$sync\.Buttons\.Add\(\$button\.Name\)'
+        $mainScript | Should -Match '\$sync\.Buttons -notcontains \$psitem'
+    }
 }