Fix phpcs issues

Problem/Motivation

Improve code quality, fix phpcs issue:
https://git.drupalcode.org/issue/paragraphs_browser-3527001/-/jobs/5391481

A TOTAL OF 405 SNIFF VIOLATIONS WERE FOUND IN 66 SOURCES
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PHPCBF CAN FIX THE 50 MARKED SOURCES AUTOMATICALLY (328 VIOLATIONS IN TOTAL)

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes