fix: prefer unprefixed style attributes over prefixed one (#50)

This is to fix an issue on Firefox 126 (released May 2024), which no longer support `-moz-transform` but `transform`. But when we get style attributes from an element, `-moz-transform` is still available, which makes our `testStyle` fails. So to resolve this issue, we want to use unprefixed attribute if available.

projects/ngx-datatable/src/lib/utils/prefixes.ts

@@ -31,10 +31,10 @@ export function getVendorPrefixedName(property: string) {
   const name = camelCase(property);
 
   if (!cache[name]) {
-    if (prefix !== undefined && testStyle[prefix.css + property] !== undefined) {
-      cache[name] = prefix.css + property;
-    } else if (testStyle[property] !== undefined) {
+    if (testStyle[property] !== undefined) {
       cache[name] = property;
+    } else if (prefix !== undefined && testStyle[prefix.css + property] !== undefined) {
+      cache[name] = prefix.css + property;
     }
   }