Refactor "Ejournals"/"Title starts with" views

[abelemlih]

• Fix clicking any letter on the ejournals page not redirecting to the catalog search page with search parameters
• Fix clicking "All" on the ejournals page not redirecting to the catalog search page with parameters to search only ejournals. This is currently a bug in production.
• Refactor ejournals/title starts with views to improve readability