ios: settings to auto-accept contact requests (#1246)

* ios: settings to auto-accept contact requests

* use NavigationView

* fix share sheet, layout

* move buttons

apps/ios/SimpleXChat/APITypes.swift

@@ -726,6 +726,11 @@ public struct AutoAccept: Codable {
     public var acceptIncognito: Bool
     public var autoReply: MsgContent?
 
+    public init(acceptIncognito: Bool, autoReply: MsgContent? = nil) {
+        self.acceptIncognito = acceptIncognito
+        self.autoReply = autoReply
+    }
+
     static func cmdString(_ autoAccept: AutoAccept?) -> String {
         guard let autoAccept = autoAccept else { return "off" }
         let s = "on" + (autoAccept.acceptIncognito ? " incognito=on" : "")

apps/ios/SimpleXChat/ChatTypes.swift

@@ -1199,7 +1199,7 @@ public enum MsgContent {
     // TODO include original JSON, possibly using https://github.com/zoul/generic-json-swift
     case unknown(type: String, text: String)
 
-    var text: String {
+    public var text: String {
         get {
             switch self {
             case let .text(text): return text