Admin [Text and Video block] When Admin click on the 'Дещо менше' button in previewing the text,it throws to the footer of the site

**Environment:** OS, browser, it's version, device (for mobile devices).
**Reproducible:** always, rarely, sometimes etc.
**Build found:** last commit from https://github.com/ita-social-projects/GreenCityClient/tree/dev
E.g. "commit 147fa44"

**Preconditions**
A clear and concise description of actions to be done before the start of the bug reproducing (to make bug reproducing possible). E.g.:
"Create an item in the database using SQL query:
INSERT INTO table1 (column1, column2)
VALUES (value1, value2);"

**Steps to reproduce**
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'

**Actual result**
A clear and concise description of what happened (displayed, not displayed etc.)
Attached bug screenshots or video recorded.

**Expected result**
A clear and concise description of what you expected to happen.
Attached screenshots or mock-ups if available.

**Postconditions**
A clear and concise description of actions to be done after bug reproducing. E.g.:
"Delete created item from database using SQL query:
DELETE FROM table1
WHERE id=;"

**User story and test case links**
E.g.: "User story #100
[Test case](https://jira.softserve.academy/browse/100)"

**Labels to be added**
"Bug", Priority ("pri: "), Severity ("severity:"), Type ("UI, "Functional"), "API" (for back-end bugs).