bug: deselecting a checkpoint breaks the dashboard in certain scenarios

[vdua]

fixes #747

Try the same steps with this URL (replace incognito with the correct domain key)

https://deselect-checkpoint--helix-website--vdua.aem.live/tools/oversight/explorer.html?domain=business.adobe.com&filter=&view=month&=performance&checkpoint=click&click.source=button.con-button&domainkey=incognito&conversion.checkpoint=click

Description

We remove the source/target filters from the state if the checkpoint is not present in the filter.

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[vdua]

need to remove that

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/tools/oversight/explorer.html?domain=business.adobe.com&filter=&view=month&=per formance&checkpoint=click&click.source=button.con-button&domainkey=incognito&con version.checkpoint=click
🖥️	/tools/oversight/explorer.html?domain=business.adobe.com&filter=&view=month&=per formance&checkpoint=click&click.source=button.con-button&domainkey=incognito&con version.checkpoint=click

[langswei]

looks good and tested successfully - thanks!