Merge #939: Qt: By default auto-expand mixdepth 0

7be5e5dfa0 By default auto-expand mixdepth 0 (Kristaps Kaupe)

Pull request description:

  Restore pre-#934 behaviour in this regard. See discussion in #937.

Top commit has no ACKs.

Tree-SHA512: 932e1ef6e3ec386dab965925e8bffdae89333ac95c0b1da45f727e46810fb1d19684e7f07f20706cd22751c1b0f899acaf9152973a7efb2e97a512c48de5054c

scripts/joinmarket-qt.py

@@ -1511,8 +1511,9 @@ class JMWalletTab(QWidget):
             # if expansion states existed, reinstate them:
             if len(previous_expand_states) == max_mixdepth_count:
                 m_item.setExpanded(previous_expand_states[mixdepth][0])
-            # by default, if the balance of the mix depth is greater than 0, expand it
-            elif float(mdbalance) > 0:
+            # by default, if the mixdepth is 0 or balance of the mixdepth is
+            # greater than 0, expand it
+            elif mixdepth == 0 or float(mdbalance) > 0:
                 m_item.setExpanded(True)
 
             for forchange in [0, 1]: