Refactor tag editing command to improve option handling and embed structure

- Simplified the retrieval of command options for editing tags, enhancing readability and maintainability.
- Updated embed handling to use an object structure instead of null, ensuring consistency in the updateTag function.
- Improved overall clarity by using descriptive variable names for command options.

apps/bot/src/modules/selfroles/commands.ts

@@ -1,4 +1,4 @@
-import { PermissionFlagsBits } from 'discord.js';
+import { ChannelType, PermissionFlagsBits } from 'discord.js';
 import {
   SelfRoleBehaviorSchema,
   SelfRoleModeSchema,
@@ -71,8 +71,7 @@ const selfrolesCommand: SlashCommand = {
         );
         const mode = SelfRoleModeSchema.parse(interaction.options.getString('mode', true));
         const channel = interaction.options.getChannel('channel', true);
-
-        if (!channel.isTextBased() || channel.isDMBased()) {
+        if (channel.type !== ChannelType.GuildText && channel.type !== ChannelType.GuildAnnouncement) {
           await interaction.reply({
             content: t(locale, 'selfroles.error.invalid_channel'),
             ephemeral: true