increased cache time to 1.5 days

services/clsi/app/coffee/ProjectPersistenceManager.coffee

@@ -5,7 +5,7 @@ async = require "async"
 logger = require "logger-sharelatex"
 
 module.exports = ProjectPersistenceManager =
-	EXPIRY_TIMEOUT: oneDay = 24 * 60 * 60 * 1000 #ms
+	EXPIRY_TIMEOUT: (oneDay = 24 * 60 * 60 * 1000) * 1.5 #ms
 
 	markProjectAsJustAccessed: (project_id, callback = (error) ->) ->
 		db.Project.findOrCreate(where: {project_id: project_id})