use correct verified icon in avatars

deltachat-ios/Assets.xcassets/verified.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "verified@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "verified@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "verified@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

deltachat-ios/View/ContactCell.swift

@@ -31,7 +31,7 @@ class ContactCell: UITableViewCell {
 
     lazy var imgView: UIImageView = {
         let imgView = UIImageView()
-        let img = UIImage(named: "approval")!.withRenderingMode(.alwaysTemplate)
+        let img = UIImage(named: "verified")
         imgView.isHidden = true
         imgView.image = img
         imgView.bounds = CGRect(
@@ -158,8 +158,6 @@ class ContactCell: UITableViewCell {
         myStackView.addArrangedSubview(toplineStackView)
         myStackView.addArrangedSubview(bottomLineStackView)
 
-        imgView.tintColor = DcColors.primary
-
         avatar.addSubview(imgView)
 
         imgView.center.x = avatar.center.x + (avatar.frame.width / 2) + imgSize - 5