fix the opengraph images for series and chapters wheeze

src/app/series/[seriesId]/opengraph-image.jsx

···
   const addr = `series/${seriesId}`
   const data = await getSeries({seriesId: seriesId})
   if (data.locked) return OGImageLocked({theme: theme})
-  const imageParams = await sanitizeData({type: 'series', data: data, props: defaults})
+  const imageParams = await sanitizeData({type: 'series', data: data, props: new URLSearchParams(defaults)})
   const theme = imageParams.theme
   const baseFont = baseFonts[imageParams.baseFont].displayName
   const titleFont = titleFonts[imageParams.titleFont].displayName

src/app/works/[workId]/chapters/[chapterId]/opengraph-image.jsx

···
   const addr = `works/${workId}/chapters/${chapterId}`
   const data = await getWork({workId: workId, chapterId: chapterId})
   if (data.locked) return OGImageLocked({theme: process.env.DEFAULT_THEME})
-  const imageParams = await sanitizeData({type: 'work', data: data, props: defaults})
+  const imageParams = await sanitizeData({type: 'work', data: data, props: new URLSearchParams(defaults)})
   const theme = imageParams.theme
   const baseFont = baseFonts[imageParams.baseFont].displayName
   const titleFont = titleFonts[imageParams.titleFont].displayName