Add restore from url for SQL Server

[barbaravaldez]

[corivera]

Are there any fields that need to be disabled or updated when toggling between File and URL modes? Like any of the fields that deal with local file paths. For example: Standby File or Tail Log Backup File

[coveralls]

Pull Request Test Coverage Report for Build 7105778782

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• 0 of 0 changed or added relevant lines in 0 files are covered.
• 40 unchanged lines in 4 files lost coverage.
• Overall coverage increased (+0.04%) to 41.604%

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Files with Coverage Reduction	New Missed Lines	%
extensions/notebook/src/dialog/configurePython/configurePathPage.ts	1	57.02%
src/sql/workbench/services/connection/browser/connectionDialogService.ts	11	79.2%
extensions/azurecore/src/azureResource/tree/treeProvider.ts	14	60.61%
src/sql/workbench/contrib/commandLine/electron-sandbox/commandLine.ts	14	82.99%

Totals
Change from base Build 7022797788:	0.04%
Covered Lines:	30818
Relevant Lines:	69389

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💛 - Coveralls

[barbaravaldez]

Are there any fields that need to be disabled or updated when toggling between File and URL modes? Like any of the fields that deal with local file paths. For example: Standby File or Tail Log Backup File

Yup, you are right! The correct fields are enabled (I compared them to SSMS). I just need to update the Tail Log Backup file path.

[corivera]

Looks good to me apart from the offline comments about tail log backup being a URL path.