Add various deleted flags to entities | Add active to subscriptions | Add DeleteUser && DeleteChannel endpoints [skip-tests]

flutter/TODO.md

@@ -20,7 +20,7 @@
  - [ ] push navigation stack
  - [ ] read + migrate old SharedPrefs (or not? - who uses SCN even??)
  - [ ] Account-Page
- - [ ] Logout
+ - [x] Logout
  - [x] Send-page
 
  - [ ] Still @ERROR on scn-init, but no logs? - better persist error (write in SharedPrefs at error_$date=txt ?), also perhaps print first error line in scn-init notification?

flutter/lib/pages/account/account.dart

@@ -503,7 +503,7 @@ class _AccountRootPageState extends State<AccountRootPage> {
   }
 
   void _deleteAccount() async {
-    Toaster.info("Not Implemented", "Account Upgrading will be implemented in a later version"); // TODO
+    // TODO
   }
 
   void _changeUsername() async {

flutter/lib/pages/send/send.dart

@@ -151,7 +151,7 @@ class _SendRootPageState extends State<SendRootPage> {
             controller: _senderName,
             decoration: const InputDecoration(
               border: OutlineInputBorder(),
-              labelText: 'SenderName',
+              labelText: 'Sender',
             ),
           ),
         ),