increase prettier line length to 120 (#233)

* [Prettier] Increase max line length to 120

100 is quite low, especially on modern monitors.
The length is also reached quite quickly with 4 spaces per tab depending on the indentation depth

* [Prettier] Increase max line length to 120 - Fix formatting

src/components/util/Toast.tsx

@@ -61,20 +61,14 @@ export default function makeToast(message: string, severity: Severity) {
     setTimeout(() => removeToast(container.id), 3500);
 }
 
-export function makeToaster([toasts, setToasts]: [
+export function makeToaster([toasts, setToasts]: [React.ReactElement[], (arg0: React.ReactElement[]) => void]): [
     React.ReactElement[],
-    (arg0: React.ReactElement[]) => void,
-]): [React.ReactElement[], (message: string, severity: Severity) => void] {
+    (message: string, severity: Severity) => void,
+] {
     return [
         toasts,
         (message: string, severity: Severity) => {
-            setToasts([
-                <Toast
-                    key={Math.floor(Math.random() * 1000) + 1}
-                    message={message}
-                    severity={severity}
-                />,
-            ]);
+            setToasts([<Toast key={Math.floor(Math.random() * 1000) + 1} message={message} severity={severity} />]);
         },
     ];
 }