Fix printing of subkey when using the --network override (#6932)

* Fix printing of subkey when using the `--network` override

This fixes a bug where `--network` did not printed the account ss58 address for the
requested network. Basically we now always print all account ss58 addresses using the
requested network.

* Review comments

* Fixes test

* Update client/cli/src/commands/inspect.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* Update client/cli/src/commands/utils.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* Fix more tests

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

substrate/client/cli/src/commands/key.rs

@@ -22,7 +22,7 @@ use structopt::StructOpt;
 
 use super::{
 	insert::InsertCmd,
-	inspect::InspectCmd,
+	inspect::InspectKeyCmd,
 	generate::GenerateCmd,
 	inspect_node_key::InspectNodeKeyCmd,
 	generate_node_key::GenerateNodeKeyCmd,
@@ -38,7 +38,7 @@ pub enum KeySubcommand {
 	Generate(GenerateCmd),
 
 	/// Gets a public key and a SS58 address from the provided Secret URI
-	InspectKey(InspectCmd),
+	InspectKey(InspectKeyCmd),
 
 	/// Print the peer ID corresponding to the node key in the given file
 	InspectNodeKey(InspectNodeKeyCmd),