chore: CE-749 Display message to user to remove filters when no complaints are found

[joshgamache]

Addresses CE-749. Adds information to adjust filters when no complaints return.

Changes 🚧

• Add message to filtered list display.
• Change message in map display.

How Has This Been Tested? 🔬

• Manual testing, matching replication procedure from issue report.

To test 🔬

1. Run a local instance of the application, log in.
2. On the complaints list page, add filters until no items return.
   • A message should display in the list view: "No complaints found using your current filters. Remove or change your filters to see complaints.".
3. On the complaints map page, add filters until no items return.
   • A message should display in the alert box: "No complaints found using your current filters. Remove or change your filters to see complaints.".

Checklist 📃

• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

---

Thanks for the PR!

Deployments, as required, will be available below:

• Frontend
• Backend

Please create PRs in draft mode. Mark as ready to enable:

• Analysis Workflow

After merge, new images are deployed in:

• Merge Workflow

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud