cmd: Add PersistentPreRun where it's currently missing

`lab ci view` now has the --merge-request flags that may be set in
the config file.

There's probably not much of a use case for setting any of the
`lab mr edit` flags from the config, but pre-process the flags
there as well anyway for consistency.

cmd/ci_view.go

@@ -43,6 +43,7 @@ var ciViewCmd = &cobra.Command{
 Supports vi style (hjkl,Gg) bindings and arrow keys for navigating jobs and logs.
 
 Feedback Encouraged!: https://github.com/zaquestion/lab/issues`,
+	PersistentPreRun: LabPersistentPreRun,
 	Run: func(cmd *cobra.Command, args []string) {
 		a := tview.NewApplication()
 		defer recoverPanic(a)

cmd/mr_edit.go

@@ -26,6 +26,7 @@ lab MR edit <id> -m "new title"                 # update title
 lab MR edit <id> -m "new title" -m "new desc"   # update title & description
 lab MR edit <id> -l newlabel --unlabel oldlabel # relabel MR
 lab MR edit <id>:<comment_id>                   # update a comment on MR`,
+	PersistentPreRun: LabPersistentPreRun,
 	Run: func(cmd *cobra.Command, args []string) {
 		rn, idString, err := parseArgsRemoteAndProject(args)
 		if err != nil {