Do not always collapse space between parameter and value for native arguments. (#17708)

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

@@ -165,7 +165,17 @@ namespace System.Management.Automation
             {
                 if (argument != parameter.ParameterText)
                 {
-                    _argumentList.Add(parameter.ParameterText + argument);
+                    // Only combine the text and argument if there was no space after the parameter,
+                    // otherwise, add the parameter and arguments as separate elements.
+                    if (parameter.SpaceAfterParameter)
+                    {
+                        _argumentList.Add(parameter.ParameterText);
+                        _argumentList.Add(argument);
+                    }
+                    else
+                    {
+                        _argumentList.Add(parameter.ParameterText + argument);
+                    }
                 }
             }
             else

test/powershell/Language/Scripting/NativeExecution/NativeCommandArguments.Tests.ps1

@@ -239,6 +239,14 @@ foreach ( $argumentListValue in "Standard","Legacy","Windows" ) {
             $lines[1] | Should -BeExactly "Arg 1 is <com:port=\\devbox\pipe\debug,pipe,resets=0,reconnect>"
         }
 
+        It "Should handle when the ':' is the parameter value" {
+            $lines = testexe -echoargs awk -F: '{print $1}'
+            $lines.Count | Should -Be 3
+            $lines[0] | Should -BeExactly 'Arg 0 is <awk>'
+            $lines[1] | Should -BeExactly 'Arg 1 is <-F:>'
+            $lines[2] | Should -BeExactly 'Arg 2 is <{print $1}>'
+        }
+
         It "Should handle DOS style arguments" {
             $lines = testexe -echoargs /arg1 /c:"a string"
             $lines.Count | Should -Be 2