fix: toDataURL seeing data urls as paths

When given a data url `toDataURL` would try and read that as a file. This patch
adds an additional check to see if something starts with `data:` which would
indicate it is already a data URL.

Author: Tygo-van-den-Hurk

lib/core/components/utils.ts

@@ -85,9 +85,8 @@ export const toDataURL = async function toDataURL(
   input: string,
   base: string = process.cwd()
 ): Promise<string> {
-  if (/^https?:\/\//iu.test(input)) {
-    return urlToDataURL(input);
-  }
+  if (/^data:/iu.test(input)) return input;
+  if (/^https?:\/\//iu.test(input)) return urlToDataURL(input);
 
   let resolvedPath; // eslint-disable-line @typescript-eslint/init-declarations
   if (path.isAbsolute(input)) resolvedPath = input;