fix: Link editor should reset when selection changes

closes #3362

app/editor/components/LinkToolbar.tsx

@@ -137,6 +137,7 @@ export default class LinkToolbar extends React.Component<Props> {
       <FloatingToolbar ref={this.menuRef} active={active} {...rest}>
         {active && (
           <LinkEditor
+            key={`${selection.from}-${selection.to}`}
             from={selection.from}
             to={selection.to}
             onCreateLink={onCreateLink ? this.handleOnCreateLink : undefined}

app/editor/components/SelectionToolbar.tsx

@@ -243,6 +243,7 @@ export default class SelectionToolbar extends React.Component<Props> {
       >
         {link && range ? (
           <LinkEditor
+            key={`${range.from}-${range.to}`}
             dictionary={dictionary}
             mark={range.mark}
             from={range.from}