[Glitch] Use the new JSX transform everywhere

Port 8f66126b10 to glitch-soc

app/javascript/flavours/glitch/components/blurhash.tsx

@@ -1,4 +1,5 @@
-import React, { useRef, useEffect } from 'react';
+import { useRef, useEffect } from 'react';
+import * as React from 'react';
 
 import { decode } from 'blurhash';