use forward icon in chat context menu

deltachat-ios/Assets.xcassets/ic_forward_white_36pt.imageset/Contents.json

@@ -0,0 +1,26 @@
+{
+  "images" : [
+    {
+      "filename" : "baseline_forward_white_36pt_1x.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "baseline_forward_white_36pt_2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "baseline_forward_white_36pt_3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "template-rendering-intent" : "template"
+  }
+}

deltachat-ios/Chat/ChatViewController.swift

@@ -143,7 +143,7 @@ class ChatViewController: UITableViewController {
 
         let forwardItem = ContextMenuProvider.ContextMenuItem(
             title: String.localized("forward"),
-            imageNames: ("ic_reply", nil),
+            imageNames: ("ic_forward_white_36pt", nil),
             isDestructive: false,
             action: #selector(BaseMessageCell.messageForward),
             onPerform: { [weak self] indexPath in