Description:
1. I have created a few spreadsheets
2. I want Export to PDF directly 
   select any sheet from the spreadsheet that is not the left most one
   Choose pages 1-1 from the export page
   Export
   It will always export the left most sheet.
Same with the Export to PDF option on the pull down
note:
   print to PDF seems to work ok

Version: 7.5.3.2 (X86_64) / LibreOffice Community
Build ID: 9f56dff12ba03b9acd7730a5a481eea045e468f3
CPU threads: 4; OS: Windows 10.0 Build 19045; UI render: Skia/Raster; VCL: win
Locale: en-SG (en_SG); UI: en-GB
Calc: threaded


Steps to Reproduce:
1.created spreadsheet with a few tabs with different names
2. Choose Export to PDF directly from pull down
   select any tabs from the spreadsheet that is not the left most one
   Choose pages 1-1 from the export page
   Export
   It will always export the left most sheet.
2.
3.

Actual Results:
Export to PDF and Export directly will always export the leftmost Tab
if user choose page 1-1 on the export screen

Expected Results:
Export the selected tab


Reproducible: Always


User Profile Reset: Yes

Additional Info:
n/a