Fix lighthouse account validator subcommands help text (#6091)

* create

* import, exit and list

* validator the rest

* FIx

* wallet subcommands

* Fix white spaces

* Revert "create"

This reverts commit 2eac633a58.

* Add global

* Merge remote-tracking branch 'origin/unstable' into cli-help

account_manager/src/validator/mod.rs

@@ -27,7 +27,8 @@ pub fn cli_app() -> Command {
                 .help("Prints help information")
                 .action(ArgAction::HelpLong)
                 .display_order(0)
-                .help_heading(FLAG_HEADER),
+                .help_heading(FLAG_HEADER)
+                .global(true),
         )
         .arg(
             Arg::new(VALIDATOR_DIR_FLAG)

account_manager/src/wallet/mod.rs

@@ -22,6 +22,7 @@ pub fn cli_app() -> Command {
             .action(ArgAction::HelpLong)
             .display_order(0)
             .help_heading(FLAG_HEADER)
+            .global(true)
         )
         .arg(
             Arg::new(WALLETS_DIR_FLAG)