* Chore: adds error handling to get requests in elasticsearch datasource * Chore: updates elasticsearch datasource response parsing checks * Chore: updates elasticsearch non-json errors description * Chore: removes error catching from query methods to move it to the request method in elasticsearch * Chore: fixes a typo in elastic response error message * Chore: moves elasticsearch error handling to request method * Chore: replaces datasource url in mock elasticsearch datasource
