[6.2] Story: Migrate clinical-trials-search-app

[adriancofie]

Description

Update clinical-trials-search-app to consume @nciocpl/react-app-shared.

Parent Issue: #EPIC_6

Sub-Tasks

• Install @nciocpl/react-app-shared
• Identify local atomic components to replace
• Replace components with shared versions
• Update all imports
• Verify tests pass
• Perform visual regression testing
• Remove deprecated local components

Notes

• This app has many atomic components that may be candidates for migration