Page crashes when pasting alloy config

[vd-rd]

Describe the bug
Page crashes when pasting content.

To Reproduce
Steps to reproduce the behavior:

1. Go to alloy-configurator
2. Click on text input field
3. Paste more than 500 lines
4. Page turns white

Expected behavior
See my pasted content

Screenshots

Desktop (please complete the following information):

• OS: Linux
• Browser chrome
• Version 146.0.7680.80

Additional context
Developer console shows:

TypeError: Cannot read properties of null (reading 'type')
    at rX (river.ts:150:17)
    at sX (river.ts:184:32)
    at sX (river.ts:188:21)
    at index.tsx:114:29
    at Array.map (<anonymous>)
    at index.tsx:112:32
    at il (react-dom.production.min.js:243:332)
    at yc (react-dom.production.min.js:285:111)
    at react-dom.production.min.js:281:391
    at C (scheduler.production.min.js:13:203)
console.<computed> @ instrumentation.ts:69
ua @ react-dom.production.min.js:188
i.callback @ react-dom.production.min.js:188
Ur @ react-dom.production.min.js:156
bl @ react-dom.production.min.js:261
vl @ react-dom.production.min.js:259
_l @ react-dom.production.min.js:258
(anonymous) @ react-dom.production.min.js:282
wc @ react-dom.production.min.js:280
ac @ react-dom.production.min.js:272
jo @ react-dom.production.min.js:127
yc @ react-dom.production.min.js:285
(anonymous) @ react-dom.production.min.js:281
C @ scheduler.production.min.js:13
N @ scheduler.production.min.js:14Understand this error
river.ts:150 Uncaught TypeError: Cannot read properties of null (reading 'type')
    at rX (river.ts:150:17)
    at sX (river.ts:184:32)
    at sX (river.ts:188:21)
    at index.tsx:114:29
    at Array.map (<anonymous>)
    at index.tsx:112:32
    at il (react-dom.production.min.js:243:332)
    at yc (react-dom.production.min.js:285:111)
    at react-dom.production.min.js:281:391
    at C (scheduler.production.min.js:13:203)
rX @ river.ts:150
sX @ river.ts:184
sX @ river.ts:188
(anonymous) @ index.tsx:114
(anonymous) @ index.tsx:112
il @ react-dom.production.min.js:243
yc @ react-dom.production.min.js:285
(anonymous) @ react-dom.production.min.js:281
C @ scheduler.production.min.js:13
N @ scheduler.production.min.js:14Understand this error
editor.api-i0YVFWkl.js:7 Uncaught (in promise) Canceled: Canceled
cancel @ editor.api-i0YVFWkl.js:7
dispose @ editor.api-i0YVFWkl.js:7
pt @ editor.api-i0YVFWkl.js:5
clear @ editor.api-i0YVFWkl.js:5
dispose @ editor.api-i0YVFWkl.js:5
dispose @ editor.api-i0YVFWkl.js:456
(anonymous) @ editor.api-i0YVFWkl.js:456
_deliver @ editor.api-i0YVFWkl.js:7
_deliverQueue @ editor.api-i0YVFWkl.js:7
fire @ editor.api-i0YVFWkl.js:7
setModel @ editor.api-i0YVFWkl.js:256
(anonymous) @ editor.api-i0YVFWkl.js:256
_deliver @ editor.api-i0YVFWkl.js:7
_deliverQueue @ editor.api-i0YVFWkl.js:7
fire @ editor.api-i0YVFWkl.js:7
dispose @ editor.api-i0YVFWkl.js:243
(anonymous) @ Editor.tsx:252
(anonymous) @ Editor.tsx:65
Ja @ react-dom.production.min.js:239
tl @ react-dom.production.min.js:243
yc @ react-dom.production.min.js:283
ac @ react-dom.production.min.js:272
jo @ react-dom.production.min.js:127
(anonymous) @ react-dom.production.min.js:266Understand this error
river.ts:150 Uncaught (in promise) TypeError: Cannot read properties of null (reading 'type')
    at rX (river.ts:150:17)
    at sX (river.ts:184:32)
    at sX (river.ts:188:21)
    at index.tsx:114:29
    at Array.map (<anonymous>)
    at index.tsx:112:32
    at index.tsx:143:7