Set default externalPlayerPath (#1702)

Set default externalPlayerPath

src/renderer/lib/migrations.js

@@ -29,6 +29,7 @@ function run (state) {
   if (semver.lt(version, '0.17.0')) migrate_0_17_0(saved)
   if (semver.lt(version, '0.17.2')) migrate_0_17_2(saved)
   if (semver.lt(version, '0.21.0')) migrate_0_21_0(saved)
+  if (semver.lt(version, '0.21.1')) migrate_0_21_1(saved)
 
   // Config is now on the new version
   state.saved.version = config.APP_VERSION
@@ -214,3 +215,9 @@ function migrate_0_21_0 (saved) {
     saved.prefs.soundNotifications = true
   }
 }
+
+function migrate_0_21_1 (saved) {
+  if (saved.prefs.externalPlayerPath == null) {
+    saved.prefs.externalPlayerPath = ''
+  }
+}

src/renderer/lib/state.js

@@ -119,7 +119,7 @@ function setupStateSaved () {
       downloadPath: config.DEFAULT_DOWNLOAD_PATH,
       isFileHandler: false,
       openExternalPlayer: false,
-      externalPlayerPath: null,
+      externalPlayerPath: '',
       startup: false,
       soundNotifications: true,
       autoAddTorrents: false,