Upgrade to mongoose 7 (#14971)

* remove some unused dependencies

* update mongoose version

* make common tests pass

* Make unit tests pass

* make api v3 integration tests pass

* fix lint issues

* fix issue with package-lock

* fix(lint): we don't need no .js

* fix(lint): update to latest config-habitrpg

* chore(npm): update package locks

* fix(test): replace deprecated fn

* chore(package): update eslint-habitrpg again

* fix(lint): server linting

* fix(lint): client linting

* fix(client): correct mangled common imports

* chore(npm): update package-locks

* fix(lint): punctuation, module

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Co-authored-by: SabreCat <sabrecat@gmail.com>
Co-authored-by: SabreCat <sabe@habitica.com>

website/server/libs/preening.js

@@ -88,7 +88,10 @@ export function preenUserHistory (user, tasksByType) {
 
   if (user.history.todos.length > minHistoryLength) {
     user.history.todos = preenHistory(
-      user.history.todos, isSubscribed, timezoneUtcOffset, dayStart,
+      user.history.todos,
+      isSubscribed,
+      timezoneUtcOffset,
+      dayStart,
     );
     user.markModified('history.todos');
   }