Forgot about the original alias!

In my exuberance to include all the other aliases, I accidentally removed the original alias that was previously the only one being registered for autocompletion. I have restored this `'%[1]s'`.

powershell_completions.go

@@ -281,13 +281,13 @@ filter __%[1]s_escapeStringWithSpecialChars {
 # Enumerate the cmds for %[1]s (set by System.Environment)
 $available%[2]s = Get-Command -Name '%[1]s' -All -ErrorAction SilentlyContinue
 
-# Enumerate set aliases for %[1]s (set by user)
+# Enumerate extant aliases for %[1]s (already set by user)
 $__%[2]sAliases = @()
 foreach($__%[2]sCmd in $available%[2]s){
     $__%[2]sAliases += Get-Alias | Where-Object { $_.Definition -eq ($__%[2]sCmd | Resolve-Path) }
 }
 # Register args completer for all cmds and aliases
-Register-ArgumentCompleter -CommandName ([array]$available%[2]s.Name + [array]$__%[2]sAliases.Name) -ScriptBlock $__%[2]sCompleterBlock
+Register-ArgumentCompleter -CommandName ([array]$available%[2]s.Name + [array]$__%[2]sAliases.Name + @('%[1]s')) -ScriptBlock $__%[2]sCompleterBlock
 `, name, nameForVar, compCmd,
 		ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
 		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs, ShellCompDirectiveKeepOrder, activeHelpEnvVar(name)))