[backport v1.2] [BUG] Need to strip whitespace from image URLs before download

[harvesterhci-io-github-bot]

backport the issue #5378

[harvesterhci-io-github-bot]

Pre Ready-For-Testing Checklist

• [ ] If labeled: require/HEP Has the Harvester Enhancement Proposal PR submitted? The HEP PR is at:

• [ ] Where is the reproduce steps/test steps documented? The reproduce steps/test steps are at:

• [ ] Is there a workaround for the issue? If so, where is it documented? The workaround is at:

• [ ] Have the backend code been merged (harvester, harvester-installer, etc) (including backport-needed/*)? The PR is at:

  • [ ] Does the PR include the explanation for the fix or the feature?

  • [ ] Does the PR include deployment change (YAML/Chart)? If so, where are the PRs for both YAML file and Chart? The PR for the YAML change is at: The PR for the chart change is at:

• [ ] If labeled: area/ui Has the UI issue filed or ready to be merged? The UI issue/PR is at:

• [ ] If labeled: require/doc, require/knowledge-base Has the necessary document PR submitted or merged? The documentation/KB PR is at:

• [ ] If NOT labeled: not-require/test-plan Has the e2e test plan been merged? Have QAs agreed on the automation test case? If only test case skeleton w/o implementation, have you created an implementation issue?

  • The automation skeleton PR is at:
  • The automation test case PR is at:

• [ ] If the fix introduces the code for backward compatibility Has a separate issue been filed with the label release/obsolete-compatibility? The compatibility issue is filed at: