Last few misc fixes for !input

- Make it master-only, because of improvements we don't need owner permission anymore
- Add case-insensitivty to Enum.TryParse()
- Add missing strings

ArchiSteamFarm/Bot.cs

@@ -2052,19 +2052,17 @@ namespace ArchiSteamFarm {
 				return null;
 			}
 
-			if (!IsOwner(steamID)) {
+			if (!IsMaster(steamID)) {
 				return null;
 			}
 
 			if (!Program.GlobalConfig.Headless) {
-				//TODO: l10n
-				return "Avaliable only in headless mode!";
+				return FormatBotResponse(Strings.ErrorFunctionOnlyInHeadlessMode);
 			}
 
 			ASF.EUserInputType inputType;
-			if (!Enum.TryParse(propertyName, out inputType) || (inputType == ASF.EUserInputType.Unknown)) {
-				// TODO: Proper response
-				return ResponseUnknown(steamID);
+			if (!Enum.TryParse(propertyName, true, out inputType) || (inputType == ASF.EUserInputType.Unknown)) {
+				return FormatBotResponse(string.Format(Strings.ErrorIsInvalid, nameof(inputType)));
 			}
 
 			SetUserInput(inputType, inputValue);
@@ -3036,6 +3034,7 @@ namespace ArchiSteamFarm {
 				ArchiLogger.LogNullError(nameof(inputValue) + " || " + nameof(inputValue));
 			}
 
+			// This switch should cover ONLY bot properties
 			switch (inputType) {
 				case ASF.EUserInputType.DeviceID:
 					DeviceID = inputValue;
@@ -3065,7 +3064,7 @@ namespace ArchiSteamFarm {
 					TwoFactorCode = inputValue;
 					break;
 				case ASF.EUserInputType.WCFHostname:
-					// We don't handle ASF properties here
+					// We don't handle global ASF properties here
 					break;
 				default:
 					ASF.ArchiLogger.LogGenericWarning(string.Format(Strings.WarningUnknownValuePleaseReport, nameof(inputType), inputType));

ArchiSteamFarm/Localization/Strings.Designer.cs

@@ -774,6 +774,15 @@ namespace ArchiSteamFarm.Localization {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to This function is available only in headless mode!.
+        /// </summary>
+        internal static string ErrorFunctionOnlyInHeadlessMode {
+            get {
+                return ResourceManager.GetString("ErrorFunctionOnlyInHeadlessMode", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Global config could not be loaded, please make sure that {0} exists and is valid! Follow setting up guide on the wiki if you&apos;re confused..
         /// </summary>

ArchiSteamFarm/Localization/Strings.resx

@@ -707,4 +707,7 @@ StackTrace:
   <data name="BotStatusLocked" xml:space="preserve">
     <value>Bot is locked and can't drop any cards through idling.</value>
   </data>
+  <data name="ErrorFunctionOnlyInHeadlessMode" xml:space="preserve">
+    <value>This function is available only in headless mode!</value>
+  </data>
 </root>