refactor: change name of class

shared/document/plugins/pdf/PDFPages.tsx

@@ -15,7 +15,7 @@ const pdfpage = css`
   flex-direction: column;
 `
 
-const document = css`
+const documentComponent = css`
   margin: 0 auto;
 `
 
@@ -37,7 +37,7 @@ const PDFPages = () => {
   return (
     <div className={pdfpage}>
       <Document
-        className={document}
+        className={documentComponent}
         file={currentDocument.fileData}
         externalLinkTarget='_blank'
         externalLinkRel='noopener noreferrer'