Navigation Menu Item(s) Appear Selected Despite Not Being the Active Page

[n-ae]

Issue type

I'm submitting a:

• bug report
• feature request
• question about the decisions made in the repository

Issue description

Current behavior:
Navigation menu item(s) appear selected despite not being the active page.

Expected behavior:
Only the active page is selected at all times.

Steps to reproduce:

1. Navigate to /auth/login by any means
2. Paste & Go /pages/ui-features/buttons using browser URL bar
3. Repeat 1
4. Paste & Go /pages/ui-features/icons using browser URL bar

At this point, you're supposed to see at least one additional menu item appearing as if selected.

Related code:

Unable to determine.

Other information:

npm, node, OS, Browser

<!--
Node, npm: v10.5.0 and 6.1.0
OS: Windows 10
Browser: Chrome/Firefox
-->

Angular, Nebular

<!--
Check your `package-lock.json` or locate a `package.json` in the `node_modules` folder.
-->

Applicable for the demo @ http://akveo.com/ngx-admin/