table cellpadding and cellspacing values get lost on exportContent

Describe the bug
When a table element has cellpadding and cellspacing attribute set, the cellpadding and cellspacing values get lost on exportContent.

I noticed in tableSpacingFormatHandler.ts, it is setting border-collapse as collapse if cellpadding is set for the table. At the same time, border-spacing is set as 0. However, when the cellpadding and cellspacing values are non-zero, the table will be rendered differently than expected.

To Reproduce
Steps to reproduce the behavior:

1. Insert a table with cellpadding and cellspacing set as 20
2. Trigger 'Export as HTML'
3. Inspect the table exported
4. The style of exported table will be"box-sizing: border-box; border-collapse: collapse; border-spacing: 0px;"

Expected behavior
cellpadding= 20 and cellspacing=20 should be converted to css styles accordingly

Device Information

• Browser [All]

Start with tableSpacingFormatHandler.ts and trace how exportContent handles tables with cellpadding and cellspacing. Reproduce the issue by exporting a table with both values set to 20, then inspect the generated HTML styles. Done means the exported table preserves the expected spacing and padding rather than forcing collapse and zero spacing.