fix: support files with spaces in generateImageID

[pzerelles]

• Quick Checklist

• I have read the contributing guidelines
• I have written new tests, as applicable (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• I have added a changeset, if applicable

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• What is the new behavior (if this is a feature change)?

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this
  PR?)

• Other information:

[changeset-bot]

🦋 Changeset detected

Latest commit: fc62a41

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
vite-imagetools	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (22ad3a9) 93.60% compared to head (3113847) 93.60%.

❗ Current head 3113847 differs from pull request most recent head fc62a41. Consider uploading reports for the commit fc62a41 to get more accurate results

Files	Patch %	Lines
packages/vite/src/utils.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #669   +/-   ##
=======================================
  Coverage   93.60%   93.60%           
=======================================
  Files          32       32           
  Lines        1189     1189           
  Branches      189      189           
=======================================
  Hits         1113     1113           
  Misses         76       76           

Flag	Coverage Δ
imagetools-core	97.01% <ø> (ø)
vite-imagetools	78.44% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[benmccann]

@pzerelles is this PR still necessary if vitejs/vite#15311 is merged?

[pzerelles]

@pzerelles is this PR still necessary if vitejs/vite#15311 is merged?

Yes