Start scripts don't support spaces for key alias

[achmelo]

Describe the bug
Start script fails when spaces exist in key alias value.

Steps to Reproduce

1. Use key alias with the label in Zowe instance.env file.
2. Start Zowe STC

Expected behavior
API ML components should accept key alias with labels as it is a common value for labels in the SAF Keyring.

Screenshots
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Logs
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Details

• Version and build number: [e.g. 0.4.4-SNAPSHOT build # 155]
• Test environment: [either defined Zowe test environment: Marist (1, 2, 3), River, or your own environment: z/OS version and z/OSMF version]

API Catalog Web UI (in case of API Catalog issue):

• OS: [e.g. macOS, Windows]
• Browser [e.g. Chrome, Safari]
• Version [e.g. 71.0.3578.98]

REST API client (in case of REST API issue):

• Technology: [e.g. Spring Boot, Node.js]
• OS: [e.g. Windows 10]

Additional context
Add any other context about the problem here.

https://github.com/zowe/api-layer/wiki/Issue-management

[anton-brezina]

This is fixed by the #1676