Minor update to the FileInfo table formatting on Unix to make it more concise (PowerShell#18183)

Author: daxian-dbw

src/System.Management.Automation/FormatAndOutput/DefaultFormatters/FileSystem_format_ps1xml.cs

@@ -46,10 +46,10 @@ private static IEnumerable<FormatViewDefinition> ViewsOf_FileSystemTypes(CustomC
                 TableControl.Create()
                     .GroupByProperty("PSParentPath", customControl: sharedControls[0])
                     .AddHeader(Alignment.Left, label: "UnixMode", width: 10)
-                    .AddHeader(Alignment.Left, label: "User", width: 16)
-                    .AddHeader(Alignment.Left, label: "Group", width: 16)
-                    .AddHeader(Alignment.Right, label: "LastWriteTime", width: 18)
-                    .AddHeader(Alignment.Right, label: "Size", width: 14)
+                    .AddHeader(Alignment.Right, label: "User", width: 10)
+                    .AddHeader(Alignment.Left, label: "Group", width: 10)
+                    .AddHeader(Alignment.Right, label: "LastWriteTime", width: 16)
+                    .AddHeader(Alignment.Right, label: "Size", width: 12)
                     .AddHeader(Alignment.Left, label: "Name")
                     .StartRowDefinition(wrap: true)
                         .AddPropertyColumn("UnixMode")