[openspending, maps][m]: fix build for leaflet map

packages/components/scripts/fix-leaflet.cjs

@@ -0,0 +1,6 @@
+const fs = require('fs');
+const path = require('path');
+
+const leafletPath = path.join(require.resolve('leaflet'), '../')
+
+fs.cpSync(`${leafletPath}images`,'./dist/images', { recursive: true });