fix cell updating and pin icon color

Session/Home/HomeVC.swift

@@ -358,15 +358,17 @@ final class HomeVC : BaseVC, UITableViewDataSource, UITableViewDelegate, NewConv
         delete.backgroundColor = Colors.destructive
         
         let isPinned = thread.isPinned
-        let pin = UITableViewRowAction(style: .normal, title: NSLocalizedString("PIN_BUTTON_TEXT", comment: "")) { _, _ in
+        let pin = UITableViewRowAction(style: .normal, title: NSLocalizedString("PIN_BUTTON_TEXT", comment: "")) { [weak self] _, _ in
             thread.isPinned = true
             thread.save()
+            self?.threadViewModelCache.removeValue(forKey: thread.uniqueId!)
             tableView.reloadRows(at: [ indexPath ], with: UITableView.RowAnimation.fade)
         }
         pin.backgroundColor = Colors.pathsBuilding
-        let unpin = UITableViewRowAction(style: .normal, title: NSLocalizedString("UNPIN_BUTTON_TEXT", comment: "")) { _, _ in
+        let unpin = UITableViewRowAction(style: .normal, title: NSLocalizedString("UNPIN_BUTTON_TEXT", comment: "")) { [weak self] _, _ in
             thread.isPinned = false
             thread.save()
+            self?.threadViewModelCache.removeValue(forKey: thread.uniqueId!)
             tableView.reloadRows(at: [ indexPath ], with: UITableView.RowAnimation.fade)
         }
         unpin.backgroundColor = Colors.pathsBuilding

Session/Shared/ConversationCell.swift

@@ -64,7 +64,7 @@ final class ConversationCell : UITableViewCell {
         let size = ConversationCell.unreadCountViewSize
         result.set(.width, to: size)
         result.set(.height, to: size)
-        result.tintColor = Colors.text
+        result.tintColor = Colors.pinIcon
         result.layer.masksToBounds = true
         return result
     }()
@@ -193,7 +193,7 @@ final class ConversationCell : UITableViewCell {
     private func update() {
         AssertIsOnMainThread()
         guard let thread = threadViewModel?.threadRecord else { return }
-        backgroundColor = thread.isPinned ? Colors.cellPinned : Colors.cellBackground
+        backgroundColor = threadViewModel.isPinned ? Colors.cellPinned : Colors.cellBackground
         let isBlocked: Bool
         if let thread = thread as? TSContactThread {
             isBlocked = SSKEnvironment.shared.blockingManager.isRecipientIdBlocked(thread.contactSessionID())

SessionUIKit/Style Guide/Colors.swift

@@ -41,4 +41,5 @@ public final class Colors : NSObject {
     @objc public static var pnOptionBackground: UIColor { UIColor(named: "session_pn_option_background")! }
     @objc public static var pnOptionBorder: UIColor { UIColor(named: "session_pn_option_border")! }
     @objc public static var pathsBuilding: UIColor { UIColor(named: "session_paths_building")! }
+    @objc public static var pinIcon: UIColor { UIColor(named: "session_pin_icon")! }
 }

SessionUIKit/Style Guide/Colors.xcassets/session_pin_icon.colorset/Contents.json

@@ -0,0 +1,38 @@
+{
+  "colors" : [
+    {
+      "color" : {
+        "color-space" : "srgb",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "96",
+          "green" : "96",
+          "red" : "96"
+        }
+      },
+      "idiom" : "universal"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "color" : {
+        "color-space" : "srgb",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "179",
+          "green" : "179",
+          "red" : "179"
+        }
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}