Migration of jsx files to tsx 2 (#850)

This is to continue the work of migrating all the jsx files into tsx
files.
The MO is basically described here: #848.

About 7 files to go...

src/components/_FieldId.tsx

@@ -0,0 +1,27 @@
+import React from 'react'
+
+import {latest} from '@maplibre/maplibre-gl-style-spec'
+import Block from './Block'
+import FieldString from './FieldString'
+
+type BlockIdProps = {
+  value: string
+  wdKey: string
+  onChange(...args: unknown[]): unknown
+  error?: unknown[]
+};
+
+export default class BlockId extends React.Component<BlockIdProps> {
+  render() {
+    return <Block label={"ID"} fieldSpec={latest.layer.id}
+      data-wd-key={this.props.wdKey}
+      error={this.props.error}
+    >
+      <FieldString
+        value={this.props.value}
+        onChange={this.props.onChange}
+      />
+    </Block>
+  }
+}
+