Disable IMAP finalizecleanclose

Should be disabled by default, but seems not to be the case

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

@@ -117,6 +117,8 @@ public class MessageHelper {
         props.put("mail.imaps.connectionpool.debug", "true");
         props.put("mail.imaps.connectionpooltimeout", Integer.toString(POOL_TIMEOUT));
 
+        props.put("mail.imaps.finalizecleanclose", "false");
+
         // https://tools.ietf.org/html/rfc4978
         // https://docs.oracle.com/javase/8/docs/api/java/util/zip/Deflater.html
         props.put("mail.imaps.compress.enable", "true");
@@ -142,6 +144,8 @@ public class MessageHelper {
         props.put("mail.imap.connectionpool.debug", "true");
         props.put("mail.imap.connectionpooltimeout", Integer.toString(POOL_TIMEOUT));
 
+        props.put("mail.imap.finalizecleanclose", "false");
+
         props.put("mail.imap.compress.enable", "true");
 
         props.put("mail.imap.throwsearchexception", "true");