{ServiceConnector}: supporting customized keys in passwordless and fix admin user name

[xfz11]

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Fix Azure/azure-cli#27088

Fix Azure/azure-cli#27294
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[azure-client-tools-bot-prd]

⚠️Azure CLI Extensions Breaking Change Test

⚠️serviceconnector-passwordless

rule	cmd_name	rule_message	suggest_message
⚠️ 1006 - ParaAdd	connection create mysql-flexible	cmd connection create mysql-flexible added parameter customized_keys
⚠️ 1006 - ParaAdd	connection create postgres	cmd connection create postgres added parameter customized_keys
⚠️ 1006 - ParaAdd	connection create postgres-flexible	cmd connection create postgres-flexible added parameter customized_keys
⚠️ 1006 - ParaAdd	connection create sql	cmd connection create sql added parameter customized_keys
⚠️ 1006 - ParaAdd	functionapp connection create mysql-flexible	cmd functionapp connection create mysql-flexible added parameter customized_keys
⚠️ 1006 - ParaAdd	functionapp connection create postgres	cmd functionapp connection create postgres added parameter customized_keys
⚠️ 1006 - ParaAdd	functionapp connection create postgres-flexible	cmd functionapp connection create postgres-flexible added parameter customized_keys
⚠️ 1006 - ParaAdd	functionapp connection create sql	cmd functionapp connection create sql added parameter customized_keys
⚠️ 1006 - ParaAdd	webapp connection create mysql-flexible	cmd webapp connection create mysql-flexible added parameter customized_keys
⚠️ 1006 - ParaAdd	webapp connection create postgres	cmd webapp connection create postgres added parameter customized_keys
⚠️ 1006 - ParaAdd	webapp connection create postgres-flexible	cmd webapp connection create postgres-flexible added parameter customized_keys
⚠️ 1006 - ParaAdd	webapp connection create sql	cmd webapp connection create sql added parameter customized_keys

[azure-client-tools-bot-prd]

Hi @xfz11,
Since the current milestone time is less than 7 days, this pr will be reviewed in the next milestone.

[yonzhan]

ServiceConnector

[xfz11]

@houk-ms

[azclibot]

[Release] Update index.json for extension [ serviceconnector-passwordless ] : https://dev.azure.com/azclitools/internal/_build/results?buildId=88705&view=results