Fix error handling in DE (#294)

- Replaced `JSON.stringify(error)` with `error.message`
- Created `ErrorHandlingUtils` and moved all error logging actions in there

src/Common/ErrorHandlingUtils.ts

@@ -0,0 +1,11 @@
+import { CosmosError, sendNotificationForError } from "./dataAccess/sendNotificationForError";
+import { logConsoleError } from "../Utils/NotificationConsoleUtils";
+import { logError } from "./Logger";
+import { replaceKnownError } from "./ErrorParserUtility";
+
+export const handleError = (error: CosmosError, consoleErrorPrefix: string, area: string): void => {
+  const sanitizedErrorMsg = replaceKnownError(error.message);
+  logConsoleError(`${consoleErrorPrefix}:\n ${sanitizedErrorMsg}`);
+  logError(sanitizedErrorMsg, area, error.code);
+  sendNotificationForError(error);
+};