fix & opt

- apt/yum if not root, auto try saved pwd
- ServerPrivateInfo.authorization: Object => String pwd
- fix apt parse: caused by irrelevant output
- serverprovider replace _servers[idx] with s

lib/generated/intl/messages_en.dart

@@ -133,7 +133,7 @@ class MessageLookup extends MessageLookupByLibrary {
         "license": MessageLookupByLibrary.simpleMessage("License"),
         "loadingFiles":
             MessageLookupByLibrary.simpleMessage("Loading files..."),
-        "loss": MessageLookupByLibrary.simpleMessage("Loss"),
+        "loss": MessageLookupByLibrary.simpleMessage("loss"),
         "madeWithLove": m8,
         "max": MessageLookupByLibrary.simpleMessage("max"),
         "min": MessageLookupByLibrary.simpleMessage("min"),
@@ -203,7 +203,7 @@ class MessageLookup extends MessageLookupByLibrary {
         "stop": MessageLookupByLibrary.simpleMessage("Stop"),
         "sureDelete": m12,
         "sureToDeleteServer": m13,
-        "ttl": MessageLookupByLibrary.simpleMessage("TTL"),
+        "ttl": MessageLookupByLibrary.simpleMessage("ttl"),
         "unknown": MessageLookupByLibrary.simpleMessage("unknown"),
         "unknownError": MessageLookupByLibrary.simpleMessage("Unknown error"),
         "unkownConvertMode":

lib/generated/l10n.dart

@@ -330,20 +330,20 @@ class S {
     );
   }
 
-  /// `TTL`
+  /// `ttl`
   String get ttl {
     return Intl.message(
-      'TTL',
+      'ttl',
       name: 'ttl',
       desc: '',
       args: [],
     );
   }
 
-  /// `Loss`
+  /// `loss`
   String get loss {
     return Intl.message(
-      'Loss',
+      'loss',
       name: 'loss',
       desc: '',
       args: [],