Fix: use same unit default for openmeteo widget and api (#4227)

src/pages/api/widgets/openmeteo.js

@@ -2,7 +2,7 @@ import cachedFetch from "utils/proxy/cached-fetch";
 
 export default async function handler(req, res) {
   const { latitude, longitude, units, cache, timezone } = req.query;
-  const degrees = units === "imperial" ? "fahrenheit" : "celsius";
+  const degrees = units === "metric" ? "celsius" : "fahrenheit";
   const timezeone = timezone ?? "auto";
   const apiUrl = `https://api.open-meteo.com/v1/forecast?latitude=${latitude}&longitude=${longitude}&daily=sunrise,sunset&current_weather=true&temperature_unit=${degrees}&timezone=${timezeone}`;
   return res.send(await cachedFetch(apiUrl, cache));