Revert the previous 2 changes instead.

My original fix would work, but I'm reverting both as it seems like the
ci caugt it randomly only once? Also the original code is good too.

Author: Relintai

modules/pdf_generator/libharu/src/hpdf_pdfa.c

@@ -295,7 +295,7 @@ HPDF_PDFA_AddXmpMetadata(HPDF_Doc pdf)
         }
 
         /* Add the pdfaid block */
-        conformanceVersion = HPDF_VER_DEFAULT;
+        conformanceVersion = HPDF_PDFA_NON_PDFA;
         switch(pdf->pdfa_type) {
           case HPDF_PDFA_1A:
             ret += HPDF_Stream_WriteStr(xmp->stream, PDFAID_PDFA1A);