Add user research banner to benefits pages #5568

Job	Run time
Security Analysis / Run Brakeman	17s
Lint Ruby / Run RuboCop	25s
Lint SCSS / Run Stylelint	10s
Lint JavaScript / Run Standardx	13s
Test JavaScript / Run Jasmine	46s
Test Ruby / Run Minitest	3m 40s
	5m 31s

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