Chore: Web widget Inbox Tech Debts (#738)

* Chore: Webwidget Inbox Tech Debts

* Additional customization options creating Web Widget
* Changes to edit Page for Web Widget
* Remove the WebWidget API end points
* Minor chores

Address: #680, #502

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

swagger/paths/widget/inboxes/update.yml

@@ -1,28 +0,0 @@
-patch:
-  tags:
-    - Widget
-  operationId: widgetInboxUpdate
-  summary: Update a website inbox
-  description: Update widget color of an inbox
-  parameters:
-    - name: data
-      in: body
-      required: true
-      schema:
-        type: object
-        properties:
-          website:
-            type: object
-            properties:
-              widget_color:
-                type: string
-                description: A Hex-color string used to customize the widget
-  responses:
-    200:
-      description: Success
-      schema:
-        $ref: '#/definitions/inbox'
-    404:
-      description: Inbox not found
-    403:
-      description: Access denied