website: Unify task controls

Also happens to fix some issues with the no-changes are-you-sure dialog only appearing once and other form values not being reset correctly.

website/src/types/Task.ts

@@ -12,6 +12,10 @@ export const enum TaskType {
   label_assistant_reply = "label_assistant_reply",
 }
 
+// we need to reconsider how to handle task content types
+// eslint-disable-next-line  @typescript-eslint/no-explicit-any
+export type TaskContent = any;
+
 export interface ValidLabel {
   name: string;
   display_text: string;

website/src/types/TaskReplyState.ts

@@ -0,0 +1,10 @@
+export interface TaskReplyValid<T> {
+  content: T;
+  state: "VALID";
+}
+export interface TaskReplyDefault<T> {
+  content: T;
+  state: "DEFAULT";
+}
+
+export type TaskReplyState<T> = TaskReplyValid<T> | TaskReplyDefault<T>;