CmdPal: Make debugging extension load errors easier (#41251)

Turns out we didn't log all the HRESULTs for failing to load an
extension. This adds more logging.

It also adds a context command on the log command to make it easier to
get to the log files

src/modules/cmdpal/Microsoft.CmdPal.UI.ViewModels/Models/ExtensionWrapper.cs

@@ -126,6 +126,10 @@ public class ExtensionWrapper : IExtensionWrapper
                                 // We'll just return out nothing.
                                 return;
                             }
+                            else if (hr.Value != 0)
+                            {
+                                Logger.LogError($"Failed to find {ExtensionDisplayName}: {hr.Value}");
+                            }
 
                             // Marshal.ThrowExceptionForHR(hr);
                             _extensionObject = MarshalInterface<IExtension>.FromAbi((nint)extensionPtr);