CLI: Fixes fatal error with cli 1.0.141 on start (#1791)

- updated terminal-kit to 1.30.0
- do not call method, if object does not exist

fixes #1778

CliClient/app/app-gui.js

@@ -79,7 +79,7 @@ class AppGui {
 			reg.setupRecurrentSync();
 			DecryptionWorker.instance().scheduleStart();
 		} catch (error) {
-			this.fullScreen(false);
+			if (this.term_) { this.fullScreen(false); }
 			console.error(error);
 			process.exit(1);
 		}

CliClient/package.json

@@ -70,6 +70,7 @@
     "syswide-cas": "^5.2.0",
     "tar": "^4.4.10",
     "tcp-port-used": "^0.1.2",
+    "terminal-kit": "^1.30.0",
     "tkwidgets": "^0.5.26",
     "url-parse": "^1.4.7",
     "uuid": "^3.0.1",