Frequently visited projects which not more exists

Summary

Frequently visited projects overview contains not more existing projects.

Steps to reproduce

  1. Remove one of frequently visited projects
  2. Navigate to Projects drop down

What is the current bug behavior?

You will see there the just deleted project without Icon - see the attached example screenshot of the behavior.

What is the expected correct behavior?

The just deleted project should not be visited there, because it was deleted.

Relevant logs and/or screenshots

Screenshot_2019-11-14_at_11.00.09

Output of checks

This happens on a self hosted instance.

Results of GitLab environment info

Expand for output related to GitLab environment info 
ystem information
System:
Current User:	git
Using RVM:	no
Ruby Version:	2.6.3p62
Gem Version:	2.7.9
Bundler Version:1.17.3
Rake Version:	12.3.3
Redis Version:	3.2.12
Git Version:	2.22.0
Sidekiq Version:5.2.7
Go Version:	unknown


GitLab information
Version:	12.4.2
Revision:	393a5bdafa2
Directory:	/opt/gitlab/embedded/service/gitlab-rails
DB Adapter:	PostgreSQL
DB Version:	10.9
URL:		https://git.example.com
HTTP Clone URL:	https://git.example.com/some-group/some-project.git
SSH Clone URL:	git@git.example.com:some-group/some-project.git
Using LDAP:	yes
Using Omniauth:	yes
Omniauth Providers:


GitLab Shell
Version:	10.2.0
Repository storage paths:
  • default: /var/opt/gitlab/git-data/repositories GitLab Shell path: /opt/gitlab/embedded/service/gitlab-shell Git: /opt/gitlab/embedded/bin/git