if there's only one deck, load it, not browser

ankiqt/ui/main.py

@@ -67,7 +67,9 @@ class AnkiQt(QMainWindow):
             self.restoreState(self.config['mainWindowState'])
         # load deck
         ui.splash.update()
-        if self.config['loadLastDeck'] and not self.maybeLoadLastDeck(args):
+        if (self.config['loadLastDeck'] or
+            len(self.config['recentDeckPaths']) == 1) and \
+            not self.maybeLoadLastDeck(args):
             self.setEnabled(True)
         self.moveToState("auto")
         # check for updates

designer/preferences.ui

@@ -566,7 +566,7 @@
          <item row="8" column="0" >
           <widget class="QCheckBox" name="openLastDeck" >
            <property name="text" >
-            <string>Open last deck instead of deck browser</string>
+            <string>Open last deck even when multiple decks available</string>
            </property>
           </widget>
          </item>