Fix SQL Migration extension accessibility bugs

[AkshayMata]

This PR fixes #19861, #19861 by adding aria labels

[ghost]

All CLA requirements met.

[coveralls]

Pull Request Test Coverage Report for Build 2829685814

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 262 unchanged lines in 8 files lost coverage.
• Overall coverage decreased (-0.4%) to 41.684%

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Files with Coverage Reduction	New Missed Lines	%
extensions/schema-compare/src/models/schemaCompareOptionsModel.ts	3	90.91%
extensions/sql-database-projects/src/models/options/deployOptionsModel.ts	7	79.55%
extensions/schema-compare/src/dialogs/schemaCompareOptionsDialog.ts	11	51.43%
extensions/sql-database-projects/src/common/utils.ts	17	85.11%
extensions/arc/src/ui/dashboards/miaa/miaaComputeAndStoragePage.ts	33	0%
extensions/sql-database-projects/src/dialogs/publishOptionsDialog.ts	33	51.46%
extensions/azcli/src/az.ts	69	23.41%
extensions/sql-database-projects/src/dialogs/publishDatabaseDialog.ts	89	52.42%
<!--	Total:	262

Totals
Change from base Build 2819378593:	-0.4%
Covered Lines:	27832
Relevant Lines:	62205

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💛 - Coveralls

[alanrenmsft]

@AkshayMata do you need help merging the PR? is the merge button disabled for you?

[AkshayMata]

@alanrenmsft yes, I need help merging the PR. the merge button is disabled and I am getting a message that "Only those with write access to this repository can merge pull requests." I've requested to join the data-tools-contrib team to get write access.