Handler for synchronous Post-save triggers does not capture errors

[andrewbrazzatti]

The code that calls synchronous post-save triggers doesn't currently capture errors. This means that saves that cause a post-save synch trigger to error, do not respond back to the user to let them know there was an issue.
There should be a catch handler on this line:

redbox-portal/typescript/api/services/RecordsService.ts

Line 669 in 4c4270e

postSaveCreateHookFunction(oid, record, options, user).subscribe(result => {