Match identities by BCC too

FAQ.md

@@ -947,7 +947,7 @@ Note that this is independent of receiving messages.
 **(34) How are identities matched?**
 
 Identities are as expected matched by account.
-For incoming folders the *to*, *cc* and *from* addresses will be checked
+For incoming folders the *to*, *cc*, *bcc* and *from* addresses will be checked
 and for outgoing folders (drafts, outbox and sent) the *from* addresses will be checked.
 
 The matched address will be shown as *via* in the addresses section.

app/src/main/java/eu/faircode/email/Core.java

@@ -2332,6 +2332,8 @@ class Core {
                 addresses.addAll(Arrays.asList(message.to));
             if (message.cc != null)
                 addresses.addAll(Arrays.asList(message.cc));
+            if (message.bcc != null)
+                addresses.addAll(Arrays.asList(message.bcc));
             if (message.from != null)
                 addresses.addAll(Arrays.asList(message.from));
         }