Merge develop into feat/voice-channel

- Resolved merge conflicts in Vue components
- Updated color scheme to use new n-slate tokens
- Preserved voice channel functionality including isPrivateNoteOnly
- Removed files that were deleted in develop
- Fixed ESLint errors in App.vue
- Fixed SCSS imports in CollaboratorsPage.vue
- Fixed duplicate voice channel entries in ChannelList and ChannelItem
- Moved voice channel to end of channel list
- Integrated with new component structure

app/javascript/dashboard/components-next/Contacts/ContactsSidebar/ContactMerge.vue

@@ -130,7 +130,7 @@ const onMergeContacts = async () => {
         variant="faded"
         color="slate"
         :label="t('CONTACTS_LAYOUT.SIDEBAR.MERGE.BUTTONS.CANCEL')"
-        class="w-full bg-n-alpha-2 n-blue-text hover:bg-n-alpha-3"
+        class="w-full bg-n-alpha-2 text-n-blue-text hover:bg-n-alpha-3"
         @click="resetState"
       />
       <Button