Updated defaults to match TouchSpin.

Author: awhitford

lib/src/fields/form_builder_touch_spin.dart

@@ -57,9 +57,9 @@ class FormBuilderTouchSpin extends FormBuilderField<double> {
     AutovalidateMode autovalidateMode = AutovalidateMode.disabled,
     VoidCallback onReset,
     FocusNode focusNode,
-    this.step,
-    this.min = 1,
-    this.max = 9999,
+    this.step = 1.0,
+    this.min = 1.0,
+    this.max = 9999999.0,
     this.iconSize = 24.0,
     this.displayFormat,
     this.subtractIcon = const Icon(Icons.remove),