(#3526) Revise naming of new additions

Simplify some naming, also add a constant (and comment) to clarify what
some of the p/invoke nonsense is doing.

src/chocolatey/infrastructure.app/nuget/NugetCommon.cs

@@ -105,7 +105,7 @@ public static IEnumerable<SourceRepository> GetRemoteRepositories(ChocolateyConf
         {
             // As this is a static method, we need to call the global SimpleInjector container to get a registered service.
             var collectorService = SimpleInjectorContainer.Container.GetInstance<IProcessCollectorService>();
-            var processTree = collectorService.GetProcessesTree();
+            var processTree = collectorService.GetProcessTree();
             "chocolatey".Log().Debug("Process Tree: {0}", processTree);
 
             var userAgent = new StringBuilder()

src/chocolatey/infrastructure.app/services/IProcessCollectorService.cs

@@ -40,6 +40,6 @@ public interface IProcessCollectorService
         /// <returns>
         /// The found process tree, returning null from this will throw an exception in Chocolatey CLI.
         /// </returns>
-        ProcessTree GetProcessesTree();
+        ProcessTree GetProcessTree();
     }
 }

src/chocolatey/infrastructure.app/services/ProcessCollectorService.cs

@@ -17,7 +17,7 @@ public class ProcessCollectorService : IProcessCollectorService
         /// <remarks>
         /// This method is not overridable on purpose, as once a tree is created it should not be changed.
         /// </remarks>
-        public ProcessTree GetProcessesTree()
+        public ProcessTree GetProcessTree()
         {
             if (_processTree is null)
             {

src/chocolatey/infrastructure/information/ProcessInformation.cs

@@ -399,7 +399,13 @@ public static Process GetParentProcess(IntPtr handle)
                 {
                     var processUtilities = new ParentProcessHelperInternal();
 
-                    var status = NtQueryInformationProcess(handle, 0, ref processUtilities, Marshal.SizeOf(processUtilities), out _);
+                    // https://learn.microsoft.com/en-us/windows/win32/api/winternl/nf-winternl-ntqueryinformationprocess#process_basic_information
+                    // Retrieves a pointer to a PEB structure that can be used to determine whether the specified process is being debugged,
+                    // and a unique value used by the system to identify the specified process. 
+                    // It also includes the `InheritedFromUniqueProcessId` value which we can use to look up the parent process directly.
+                    const int processBasicInformation = 0;
+
+                    var status = NtQueryInformationProcess(handle, processBasicInformation, ref processUtilities, Marshal.SizeOf(processUtilities), out _);
 
                     if (status != 0)
                     {