Expose unknown fields and duplicate sections as diagnose warnings (#11455)

* Expose unknown fields and duplicate sections as diagnose warnings

* section counts not needed, already handled

* Address PR feedback

* Prune more of the new fields before tests call deep.Equals

* Update go.mod

command/commands.go

@@ -337,6 +337,11 @@ func initCommands(ui, serverCmdUi cli.Ui, runOpts *RunOptions) {
 				BaseCommand: getBaseCommand(),
 			}, nil
 		},
+		"operator diagnose": func() (cli.Command, error) {
+			return &OperatorDiagnoseCommand{
+				BaseCommand: getBaseCommand(),
+			}, nil
+		},
 		"operator generate-root": func() (cli.Command, error) {
 			return &OperatorGenerateRootCommand{
 				BaseCommand: getBaseCommand(),