Set 'Persistent Thread Watcher' to inverse of old 'Toggleable Thread Watcher' setting.

Per discussion in #983.

src/General/Settings.coffee

@@ -393,6 +393,9 @@ Settings =
     if compareString < '00001.00012.00000.00006'
       if data['sauces']?
         set 'sauces', data['sauces'].replace(/^(#?\s*)https:\/\/(?:desustorage|cuckchan)\.org\//mg, '$1https://desuarchive.org/')
+    if compareString < '00001.00012.00001.00000'
+      if not data['Persistent Thread Watcher']? and data['Toggleable Thread Watcher']?
+        set 'Persistent Thread Watcher', not data['Toggleable Thread Watcher']
     changes
 
   loadSettings: (data, cb) ->

src/Monitoring/ThreadWatcher.coffee

@@ -36,7 +36,7 @@ ThreadWatcher =
       $.addClass doc, 'fixed-watcher'
     if !Conf['Persistent Thread Watcher']
       @dialog.hidden = true
-    
+
     Header.addShortcut 'watcher', sc, 510
 
     ThreadWatcher.fetchAuto()

src/config/Config.coffee

@@ -385,7 +385,7 @@ Config =
         1
       ]
       'Persistent Thread Watcher': [
-        true
+        false
         'The thread watcher will be visible when the page is loaded.'
         1
       ]

src/main/Main.coffee

@@ -52,6 +52,7 @@ Main =
     Conf['Show Name and Subject'] = false
     Conf['QR Shortcut'] = true
     Conf['Bottom QR Link'] = true
+    Conf['Toggleable Thread Watcher'] = true
 
     # Pseudo-enforce default whitelist while configuration loads
     if $.platform is 'crx' then $.global ->