[minor] update: generate error if case not found for a given control name

[varshini-senthil]

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What does this Pull Request accomplish?

• Added custom error string in the global variable VI Error Strings Global Internal.vi, to indicate that no case exists for the given control name in Update Control from Metadata.vi.
  • This update is to alert the user about the change in control name in the Client template through error generation.

Why should this Pull Request be merged?

• To update the global variable VI Error Strings Global Internal.vi.
• To update the Update Control from Metadata.vi, to generate error when no case found for the given control name.

What testing has been done?

• Modified the measurement plug-in client template and tested error generation by creating a client.

[jasonmreding]

Waiting to remove dependency on error file used by runtime libraries.