Fix browse by visual bug

[jensvannerum]

References

• Fixes Starting with "value" text stays on browse by pages, even when the query has been cleared. #2494

Description

Simply clears the startsWith property if no URL parameter is given so that no text is present when we aren't actively searching on a query.

To test this PR just follow the steps from the issue and verify no text stays present ( I tested against demo.dspace.org)

Checklist

This checklist provides a reminder of what we are going to look for when reviewing your PR. You need not complete this checklist prior to creating your PR (draft PRs are always welcome). If you are unsure about an item in the checklist, don't hesitate to ask. We're here to help!

• My PR is small in size (e.g. less than 1,000 lines of code, not including comments & specs/tests), or I have provided reasons as to why that's not possible.
• My PR passes ESLint validation using yarn lint
• My PR doesn't introduce circular dependencies (verified via yarn check-circ-deps)
• My PR includes TypeDoc comments for all new (or modified) public methods and classes. It also includes TypeDoc for large or complex private methods.
• My PR passes all specs/tests and includes new/updated specs or tests based on the Code Testing Guide.
• If my PR includes new libraries/dependencies (in package.json), I've made sure their licenses align with the DSpace BSD License based on the Licensing of Contributions documentation.
• If my PR includes new features or configurations, I've provided basic technical documentation in the PR itself.
• If my PR fixes an issue ticket, I've linked them together.

[alanorth]

Thanks @jensvannerum! I tested the patch on DSpace 7.6 and it fixes the bug.

[dspace-bot]

Successfully created backport PR for dspace-7_x:

• [Port dspace-7_x] Fix browse by visual bug #2543