fix: filter schedule style and functionality (backport #85)

[mergify]

Summary

• fix: filter schedule style and functionality ([BUG][UI] Filter schedule button not work harvester#7347)
• disable filter button if all rows do not have sourceSchedule ([ENHANCEMENT][GUI] Disable Filter Schedule button if there is no backups/snapshots created by schedule job harvester#6949)

PR Checklists

• Do we need to backport this PR change to the Harvester Dashboard?
  • Yes, the relevant PR is at:
• Are backend engineers aware of UI changes?
  • Yes, the backend owner is:

Related Issue

• [ENHANCEMENT][GUI] Disable Filter Schedule button if there is no backups/snapshots created by schedule job harvester#6949
• [BUG][UI] Filter schedule button not work harvester#7347

Test screenshot/video

result.mov

Extra technical notes summary

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This is an automatic backport of pull request #85 done by [Mergify](https://mergify.com).