feat: Option for separate edit mode (#4203)

* stash

* wip

* cleanup

* Remove collaborativeEditing toggle, it will always be on in next release.
Flip separateEdit -> seamlessEdit

* Clarify language, hide toggle when collaborative editing is disabled

* Flip boolean to match, easier to reason about

server/models/Team.ts

@@ -19,7 +19,7 @@ import {
   IsUrl,
   AllowNull,
 } from "sequelize-typescript";
-import { CollectionPermission } from "@shared/types";
+import { CollectionPermission, TeamPreference } from "@shared/types";
 import { getBaseDomain, RESERVED_SUBDOMAINS } from "@shared/utils/domains";
 import env from "@server/env";
 import { generateAvatarUrl } from "@server/utils/avatars";
@@ -169,6 +169,35 @@ class Team extends ParanoidModel {
     );
   }
 
+  /**
+   * Preferences that decide behavior for the team.
+   *
+   * @param preference The team preference to set
+   * @param value Sets the preference value
+   * @returns The current team preferences
+   */
+  public setPreference = (preference: TeamPreference, value: boolean) => {
+    if (!this.preferences) {
+      this.preferences = {};
+    }
+    this.preferences[preference] = value;
+    this.changed("preferences", true);
+
+    return this.preferences;
+  };
+
+  /**
+   * Returns the passed preference value
+   *
+   * @param preference The user preference to retrieve
+   * @returns The preference value if set, else undefined
+   */
+  public getPreference = (preference: TeamPreference) => {
+    return !!this.preferences && this.preferences[preference]
+      ? this.preferences[preference]
+      : undefined;
+  };
+
   provisionFirstCollection = async (userId: string) => {
     await this.sequelize!.transaction(async (transaction) => {
       const collection = await Collection.create(