Fix linter warnings

.swiftlint.yml

@@ -1,9 +1,9 @@
 excluded:
   - .build
 
-closure_body_length:
-  warning: 20
-  error: 40
+large_tuple:
+  warning: 3
+  error: 5
 
 line_length:
   warning: 200

Mist/Helpers/TaskManager.swift

@@ -127,7 +127,7 @@ class TaskManager: ObservableObject {
         ]
     }
 
-    // swiftlint:disable:next function_parameter_count
+    // swiftlint:disable:next function_body_length function_parameter_count
     static func taskGroups(
         for installer: Installer,
         destination destinationURL: URL?,

Mist/Views/Download/DownloadView.swift

@@ -140,7 +140,7 @@ struct DownloadView: View {
 
     private func checkForUserCancellation(_ failure: Error) -> Bool {
 
-        if let _: CancellationError = failure as? CancellationError {
+        if failure as? CancellationError != nil {
             return true
         }
 

Mist/Views/List/InstallerListRow.swift

@@ -71,7 +71,6 @@ struct InstallerListRow: View {
         openPanel.accessoryView = NSHostingView(rootView: InstallerExportView(exports: $exports))
         openPanel.isAccessoryViewDisclosed = true
 
-        // swiftlint:disable:next closure_body_length
         Task {
             let response: NSApplication.ModalResponse = openPanel.runModal()
 

Shared/ShellExecutor.swift

@@ -13,8 +13,6 @@ class ShellExecutor: NSObject {
     static var shared: ShellExecutor = ShellExecutor()
     private var process: Process = Process()
 
-    // swiftlint:disable large_tuple
-
     /// Executes custom shell commands.
     ///
     /// - Parameters: