[BUG] The pagination should be shown when more than 20 pages in Select Page Panel

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: None
• Fix Version/s: None
• Component/s: Data Engine, Sites Management
• Labels: None
• Sprint: S01E07 - Mountain of terror

Step to reproduce:

1. Copy the attached file to osgi\configs
2. Start portal
3. Add a new site
4. Add 21 widget pages
5. Site admin > Content & Data > Web Content > Structures tab
6. Add a new WC structure with a Link to Page field
7. Add a new WC template for new structure
8. Add a WC based on new structure
9. Click the select button of Link to Page field

Expected Results:
Should only view 20 pages by scrolling. Additionally, the pagination should be shown.

Actual Results:
Can view 21 pages by scrolling. Additionally, the pagination is missing.

Reproduced on:
Tomcat 9.0.17 + MySQL 5.7. Portal master GIT ID: 58dac3f0de52719fffe9d7106d18b4ca9fe65bcc.