Fix patch for supporting type-over closed brackets on new lines

FIX: Fix a bug that caused typing over closed brackets after pressing enter to still
not work in many situations.

See https://discuss.codemirror.net/t/closebrackets-across-multiple-lines/7392/4

Author: marijnh

src/closebrackets.ts

@@ -41,11 +41,11 @@ closedBracket.startSide = 1; closedBracket.endSide = -1
 const bracketState = StateField.define<RangeSet<typeof closedBracket>>({
   create() { return RangeSet.empty },
   update(value, tr) {
+    value = value.map(tr.changes)
     if (tr.selection) {
       let line = tr.state.doc.lineAt(tr.selection.main.head)
       value = value.update({filter: from => from >= line.from && from <= line.to})
     }
-    value = value.map(tr.changes)
     for (let effect of tr.effects) if (effect.is(closeBracketEffect))
       value = value.update({add: [closedBracket.range(effect.value, effect.value + 1)]})
     return value