Fix SlaEmailTemplateController and SlaEmailTemplatesController conversion to AngularJS

Description

In feed-mgr/sla/module.ts, the controller for sla-email-templates was SlaEmailTemplatesController but was changed to use the slaEmailTemplateController ("templates" vs "template").

1) The name should be fixed.
2) Convert SlaEmailTemplateController to AngularJS component.

Environment

None

Assignee

Greg Hart

Reporter

Greg Hart

Labels

None

Priority

Medium
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