Fix crash when toggling collapse in Trending Posts

Closes #262

Pachyderm/Sources/Pachyderm/Utilities/StatusState.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-public class StatusState: Equatable, Hashable {
+public class StatusState: Equatable {
     public var collapsible: Bool?
     public var collapsed: Bool?
 

Tusker/Screens/Explore/TrendingStatusesViewController.swift

@@ -122,6 +122,27 @@ extension TrendingStatusesViewController {
         case status(id: String, state: StatusState)
         case loadingIndicator
         
+        static func ==(lhs: Item, rhs: Item) -> Bool {
+            switch (lhs, rhs) {
+            case (.status(id: let a, state: _), .status(id: let b, state: _)):
+                return a == b
+            case (.loadingIndicator, .loadingIndicator):
+                return true
+            default:
+                return false
+            }
+        }
+        
+        func hash(into hasher: inout Hasher) {
+            switch self {
+            case .status(id: let id, state: _):
+                hasher.combine(0)
+                hasher.combine(id)
+            case .loadingIndicator:
+                hasher.combine(1)
+            }
+        }
+        
         var hideSeparators: Bool {
             if case .loadingIndicator = self {
                 return true