Fix retrieving dynamic parameters from provider even if globbed path returns no results (#15525)

src/System.Management.Automation/engine/SessionStateContainer.cs

@@ -4681,7 +4681,7 @@ namespace System.Management.Automation
                 }
             }
 
-            if (providerPath != null)
+            if (providerInstance != null)
             {
                 // Get the dynamic parameters for the first resolved path
                 return CopyItemDynamicParameters(providerInstance, providerPath, destination, recurse, newContext);
@@ -4733,10 +4733,6 @@ namespace System.Management.Automation
                 providerInstance != null,
                 "Caller should validate providerInstance before calling this method");
 
-            Dbg.Diagnostics.Assert(
-                path != null,
-                "Caller should validate path before calling this method");
-
             Dbg.Diagnostics.Assert(
                 context != null,
                 "Caller should validate context before calling this method");

test/powershell/engine/ParameterBinding/ParameterBinding.Tests.ps1

@@ -256,6 +256,14 @@ Describe "Parameter Binding Tests" -Tags "CI" {
         DynamicParamTest -PipelineVariable bar | ForEach-Object { $bar } | Should -Be "hi"
     }
 
+    It 'Dynamic parameter is found even if globbed path does not exist' {
+        $guid = New-Guid
+
+        # This test verifies that the ErrorRecord is coming from parameter validation on a dynamic parameter
+        # instead of an error indicating that the dynamic parameter is not found
+        { Copy-Item "~\$guid*" -Destination ~ -ToSession $null } | Should -Throw -ErrorId 'ParameterArgumentValidationError'
+    }
+
     Context "PipelineVariable Behaviour" {
 
         BeforeAll {