Fix wrong file name js in date picker.

public/mix-manifest.json

 {
-    "/css/liman.css": "/css/liman.css?id=9de9aa0c3e8c9eb99e0f",
-    "/js/liman.js": "/js/liman.js?id=71408857754fd0a63a4a"
+    "/css/liman.css": "/css/liman.css?id=ed18f7de135faccb12ee",
+    "/js/liman.js": "/js/liman.js?id=9efd3f5ee91a154c794d"
 }

webpack.mix.js

@@ -3,7 +3,7 @@ mix.styles([
     'resources/assets/css/font-awesome.css',
     'resources/assets/css/flag-icon.css',
     'resources/assets/css/font.css',
-    'resources/assets/css/tempus-bootstrap.css',
+    'resources/assets/css/bootstrap-tempus.css',
     'resources/assets/css/dataTables.bootstrap4.css',
     'resources/assets/css/select.dataTables.css',
     'resources/assets/css/sweetalert2.min.css',
@@ -30,7 +30,7 @@ mix.combine([
     'resources/assets/js/bs-custom-file-input.js',
     'resources/assets/js/tus.lib.js',
     'resources/assets/js/jquery.contextMenu.js',
-    'resources/assets/js/tempus-bootstrap.js',
+    'resources/assets/js/bootstrap-tempus.js',
     'resources/assets/js/bootstrap-datepicker.js',
     'resources/assets/js/bootstrap-timepicker.js',
     'resources/assets/js/datatables.js',