Add clean block to script block as a peer to begin, process, and end to allow easy resource cleanup (#15177)

src/Microsoft.PowerShell.Commands.Utility/commands/utility/ImplicitRemotingCommands.cs

@@ -2823,13 +2823,14 @@ function Get-PSImplicitRemotingClientSideParameters
 
             $clientSideParameters = Get-PSImplicitRemotingClientSideParameters $PSBoundParameters ${8}
 
-            $scriptCmd = {{ & $script:InvokeCommand `
-                            @clientSideParameters `
-                            -HideComputerName `
-                            -Session (Get-PSImplicitRemotingSession -CommandName '{0}') `
-                            -Arg ('{0}', $PSBoundParameters, $positionalArguments) `
-                            -Script {{ param($name, $boundParams, $unboundParams) & $name @boundParams @unboundParams }} `
-                         }}
+            $scriptCmd = {{
+                & $script:InvokeCommand `
+                    @clientSideParameters `
+                    -HideComputerName `
+                    -Session (Get-PSImplicitRemotingSession -CommandName '{0}') `
+                    -Arg ('{0}', $PSBoundParameters, $positionalArguments) `
+                    -Script {{ param($name, $boundParams, $unboundParams) & $name @boundParams @unboundParams }} `
+            }}
 
             $steppablePipeline = $scriptCmd.GetSteppablePipeline($myInvocation.CommandOrigin)
             $steppablePipeline.Begin($myInvocation.ExpectingInput, $ExecutionContext)