Fixed missing rxjs import

backend/package-lock.json

@@ -2871,6 +2871,21 @@
         "glob": "^7.1.3"
       }
     },
+    "rxjs": {
+      "version": "7.3.0",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.3.0.tgz",
+      "integrity": "sha512-p2yuGIg9S1epc3vrjKf6iVb3RCaAYjYskkO+jHIaV0IjOPlJop4UnodOoFb2xeNwlguqLYvGw1b1McillYb5Gw==",
+      "requires": {
+        "tslib": "~2.1.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.1.0.tgz",
+          "integrity": "sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A=="
+        }
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",

backend/package.json

@@ -61,6 +61,7 @@
     "progress": "^2.0.3",
     "ps-node": "^0.1.6",
     "read-last-lines": "^1.7.2",
+    "rxjs": "^7.3.0",
     "shortid": "^2.2.15",
     "unzipper": "^0.10.10",
     "uuidv4": "^6.0.6",