fix: remove DOM-only object references (resolves Maronato#155)

Author: Maronato

src/ts/propValidators.ts

@@ -121,7 +121,7 @@ export type PluginOptionsType = Required<
 >;
 const CONTAINER: RecordPropsDefinition<PluginOptionsType> = {
   container: {
-    type: [HTMLElement, Function],
+    type: [(Object as unknown) as HTMLElement, Function],
     default: () => document.body,
   } as PropOptions<NonNullable<PluginOptions["container"]>>,
   newestOnTop: COMMON.trueBoolean,