refactor: remove redudant jumps

Updates the logic for handling the connection embed color to use
the nullish coalescing operator to set the value to `{ unset: true }`
if no color is provided.

fix(hub): remove unnecessary return statement

Removes the unnecessary `return` statement at the end of the
`BlockWordCommand` class, as the function already returns a reply
to the user.

src/commands/slash/Main/connection/edit.ts

@@ -118,7 +118,7 @@ export default class ConnectionEditCommand extends Connection {
 
       await updateConnection(
         { channelId: customId.args[0] },
-        { embedColor: embedColor ? embedColor : { unset: true } },
+        { embedColor: embedColor ?? { unset: true } },
       );
 
       await interaction.reply({

src/commands/slash/Main/hub/blockwords.ts

@@ -155,6 +155,5 @@ export default class BlockWordCommand extends HubCommand {
       'No block word rules are in this hub yet. Use `/hub blockwords add` to add some.',
       { ephemeral: true },
     );
-    return;
   }
 }