Merge pull request #3010 from laboro/ticket/BAP-5916_leave_warnings

BAP-5916: Make alert flash messages must not disappear after 5 seconds
Merge pull request #3019 from laboro/fix/BAP-5871

BAP-5871 Impossible to upload pictures/avatar to entity
Merge pull request #3020 from laboro/fix/BAP-5871-1.4

BAP-5871 Impossible to upload pictures/avatar to entity
Merge branch 'feature/BAP-5531_Entity_Record_Pagination' of github.com:laboro/platform into ticket/BAP-5768_Functional_edit_test
BAP-5885: Support multiple display fields for extend ManyToOne fields
FG-1: ForumGroup Data Import
- remove alias
CRM-2121: Create Workflow for Marketing List to connect it with MailChimp

Conflicts:
	src/Oro/Bundle/IntegrationBundle/Model/Condition/HasActiveIntegration.php
CRM-2121: Create Workflow for Marketing List to connect it with MailChimp
CRM-2121: Create Workflow for Marketing List to connect it with MailChimp
Merge pull request #3023 from laboro/ticket/CRM-2121_1.4

CRM-2121: Create Workflow for Marketing List to connect it with MailChimp
BAP-5923: Add show/hide calendar without remove from calendar list
- added js event listener to show/hide calendar item
- fixed create new event
- updated initialize calendar item
- automatically show unvisible user calendar when add new event
- updated translations
Merge pull request #3011 from laboro/fix/BAP-5592

BAP-5592: Activate menu element is not working with forwarding
BAP-5885: Support multiple display fields for extend ManyToOne fields
- change type hints
BAP-5885: Support multiple display fields for extend ManyToOne fields
- fix php docs
- fix type hints
Merge pull request #3013 from laboro/ticket/BAP-5930

BAP-5930: Provide datagrid configuration from datagrid.yml to frontend
Merge pull request #3014 from laboro/ticket/BAP-5838_tests

BAP-5838: Introduce calendar providers functionality
Merge branch 'feature/BAP-5602' of github.com:laboro/platform into ticket/BAP-5923
Merge remote-tracking branch 'origin/master' into feature/CRM-1182_mailchimp
BAP-5923: Add show/hide calendar without remove from calendar list
- fixed bg color
Merge pull request #3022 from laboro/1.4_forumgroup

FG-1: ForumGroup Data Import