Upgrade lodash to v4 and lint more files (#8495)

* common: import lodash modules separately

* remove test/content from .eslintignore, fix with eslint --fix content/index

* lint test/content

* lint content/index except for lodash methods

* upgrade server/models

* upgrade server/middlewares and server/libs

* port server/controllers/top-level

* port server/controllers/api-v3

* port views and tests

* client old port lodash and _(, missing _.

* upgrade client-old

* port common/script (root level files only)

* port common/script/fns

* port common/libs

* port common/script/ops

* port common/script/content and common/script/libs/shops.js

* misc fixes

* misc fixes

* misc fixes

* more tests fixes

* fix payments test stubbing, down to 2 failing tests

* remove more instances of lodash wrapping

* fix bug where toObject does not clone object

* fix tests

* upgrade migration or add lodash 4 note

* update shrinkwrap

* fix linting

* upgrade eslint-config-habitrpg

* update shrinkwrap

* recompile shrinkwrap

website/common/script/libs/taskDefaults.js

@@ -1,5 +1,5 @@
 import { v4 as uuid } from 'uuid';
-import _ from 'lodash';
+import defaults from 'lodash/defaults';
 import moment from 'moment';
 
 // Even though Mongoose handles task defaults, we want to make sure defaults are set on the client-side before
@@ -15,7 +15,7 @@ module.exports = function taskDefaults (task = {}) {
   }
 
   let defaultId = uuid();
-  let defaults = {
+  let defaultTaskObj = {
     _id: defaultId,
     text: task._id || defaultId,
     notes: '',
@@ -31,16 +31,16 @@ module.exports = function taskDefaults (task = {}) {
     updatedAt: new Date(),
   };
 
-  _.defaults(task, defaults);
+  defaults(task, defaultTaskObj);
 
   if (task.type === 'habit' || task.type === 'daily') {
-    _.defaults(task, {
+    defaults(task, {
       history: [],
     });
   }
 
   if (task.type === 'todo' || task.type === 'daily') {
-    _.defaults(task, {
+    defaults(task, {
       completed: false,
       collapseChecklist: false,
       checklist: [],
@@ -48,7 +48,7 @@ module.exports = function taskDefaults (task = {}) {
   }
 
   if (task.type === 'habit') {
-    _.defaults(task, {
+    defaults(task, {
       up: true,
       down: true,
       frequency: 'daily',
@@ -58,7 +58,7 @@ module.exports = function taskDefaults (task = {}) {
   }
 
   if (task.type === 'daily') {
-    _.defaults(task, {
+    defaults(task, {
       streak: 0,
       repeat: {
         m: true,