[DOCS-11912] revamping troubleshooting page, adds info on DPI on Windows (#31786)

* revamping troubleshooting page, adds info on DPI on Windows

* fixing title

* adding table with common error messages

* incorporating feedback from SME review

* Update content/en/synthetics/troubleshooting/_index.md

Co-authored-by: Olivia Shoup <[email protected]>

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Co-authored-by: Olivia Shoup <[email protected]>

Author: git-thuerk-done