fix: Fixed PDFs always being written

Author: TriPSs

src/utils.ts

@@ -1,7 +1,7 @@
 import { existsSync, statSync, writeFileSync } from 'node:fs'
 
 export function sameFileSize(buffer: Buffer, filePath: string, update: 'all' | 'none' | 'missing'): boolean {
-  if (!existsSync(filePath) || update === 'all' || update === 'missing') {
+  if (update === 'all' || (!existsSync(filePath) && update === 'missing')) {
     writeFileSync(filePath, buffer)
 
     return true