[IMP] mail: rename sound effects model

Rename javascript model `mail.sound_effects` to `SoundEffects` in order
to distinguish javascript models from python models.

Part of task-2701674.

closes odoo/odoo#81431

Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/models/messaging/messaging.js

@@ -359,7 +359,7 @@ registerModel({
             isCausal: true,
             readonly: true,
         }),
-        soundEffects: one2one('mail.sound_effects', {
+        soundEffects: one2one('SoundEffects', {
             default: insertAndReplace(),
             isCausal: true,
             readonly: true,

addons/mail/static/src/models/sound_effects/sound_effects.js

@@ -5,7 +5,7 @@ import { one2one } from '@mail/model/model_field';
 import { insertAndReplace } from '@mail/model/model_field_command';
 
 registerModel({
-    name: 'mail.sound_effects',
+    name: 'SoundEffects',
     identifyingFields: ['messaging'],
     fields: {
         channelJoin: one2one('SoundEffect', {