feat: Update download functionality on search and browse pages

[crfmc]

Trello Ticket

• Use new backend session-properties API
• Update the download flow for users with various statuses

[dbmi-svc-checkmarx]

Checkmarx One – Scan Summary & Details – 304dea08-702a-4d97-ae89-b2e53c254469

New Issues (2)

Checkmarx found the following issues in this Pull Request

#	Severity	Issue	Source File / Package	Checkmarx Insight
1		CVE-2025-69873	Npm-ajv-6.12.6	details Recommended version: 8.18.0 Description: ajv (Another JSON Schema Validator) through version 8.17.1 is vulnerable to Regular Expression Denial of Service (ReDoS) when the "$data" option is... Attack Vector: NETWORK Attack Complexity: LOW Vulnerable Package
2		CVE-2025-69873	Npm-ajv-8.17.1	details Recommended version: 8.18.0 Description: ajv (Another JSON Schema Validator) through version 8.17.1 is vulnerable to Regular Expression Denial of Service (ReDoS) when the "$data" option is... Attack Vector: NETWORK Attack Complexity: LOW Vulnerable Package

---

Use @Checkmarx to interact with Checkmarx PR Assistant.
Examples:
@Checkmarx how are you able to help me?
@Checkmarx rescan this PR