Fix #43: Convert multiselect values to array items type

Author: bhch

src/components/form.js

@@ -137,14 +137,16 @@ export class FormMultiSelectInput extends React.Component {
 
     handleChange = (e) => {
         let value = [...this.props.value];
+        let val = e.target.value;
+
+        if (typeof val !== this.props.valueType)
+            val = convertType(val, this.props.valueType);
 
         if (e.target.checked) {
-            value.push(e.target.value);
+            value.push(val);
         } else {
             value = value.filter((item) => {
-                if (typeof item !== this.props.valueType)
-                    convertType(item, this.props.valueType);
-                return item !== e.target.value;
+                return item !== val;
             });
         }