fix: remove redundant request on FaultManagement mount (#6502)

* fix: remove redundant update request

* fix: handle case where request returns no faults

* test: fix fault management tests

* docs: clean up FaultManagement API types

---------

Co-authored-by: Jamie V <jamie.j.vigliotta@nasa.gov>

example/faultManagement/exampleFaultSource.js

@@ -33,6 +33,8 @@ export default function (staticFaults = false) {
                 return Promise.resolve(faultsData);
             },
             subscribe(domainObject, callback) {
+                callback({ type: 'global-alarm-status' });
+
                 return () => {};
             },
             supportsRequest(domainObject) {