Fix unicode characters for name fields in cloud logs resources

[kavya498]

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Relates OR Closes #0000

Output from acceptance testing:

=== RUN   TestAccIbmLogsAlertDataSourceBasic
--- PASS: TestAccIbmLogsAlertDataSourceBasic (44.70s)
=== RUN   TestAccIbmLogsAlertDataSourceAllArgs
--- PASS: TestAccIbmLogsAlertDataSourceAllArgs (36.85s)
=== RUN   TestAccIbmLogsAlertsDataSourceBasic
--- PASS: TestAccIbmLogsAlertsDataSourceBasic (40.28s)
=== RUN   TestAccIbmLogsAlertsDataSourceAllArgs
--- PASS: TestAccIbmLogsAlertsDataSourceAllArgs (34.03s)
=== RUN   TestAccIbmLogsAlertBasic
--- PASS: TestAccIbmLogsAlertBasic (63.35s)
=== RUN   TestAccIbmLogsAlertAllArgs
--- PASS: TestAccIbmLogsAlertAllArgs (68.97s)
PASS
ok  	github.com/IBM-Cloud/terraform-provider-ibm/ibm/service/logs

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