Use custom has(into) and == functions for FeedListFolder.

Evergreen/FeedList/FeedListFolder.swift

@@ -23,4 +23,16 @@ final class FeedListFolder: Hashable, DisplayNameProvider {
 		self.name = name
 		self.feeds = feeds
 	}
+
+	// MARK: - Hashable
+
+	public func hash(into hasher: inout Hasher) {
+		hasher.combine(name)
+	}
+
+	// MARK: - Equatable
+
+	static func ==(lhs: FeedListFolder, rhs: FeedListFolder) -> Bool {
+		return lhs.name == rhs.name && lhs.feeds == rhs.feeds
+	}
 }