Fix require()() in production bundle

[developit]

Loading the compat route prod bundle was throwing, this is the fix.

[github-actions]

Size Change: -23 B (0%)

Total Size: 678 kB

Filename	Size	Change
demo/dist/chunks/class-fields.********.js	207 B	-1 B
demo/dist/chunks/compat.********.js	14.9 kB	-7 B (0%)
wmr.cjs	655 kB	-15 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
demo/dist/assets/Calendar.********.css	702 B	0 B
demo/dist/assets/style.********.css	266 B	0 B
demo/dist/assets/style.module.********.css	53 B	0 B
demo/dist/chunks/_wmr.********.js	122 B	0 B
demo/dist/chunks/index.********.js	210 B	0 B
demo/dist/index.********.js	6.36 kB	0 B
demo/dist/index.html	403 B	0 B

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[marvinhagemeister]

Great work 🙌