IO-920 Required referral fields.

client/src/components/jobs-convert-button/jobs-convert-button.component.jsx

@@ -94,6 +94,26 @@ export function JobsConvertButton({ bodyshop, job, refetch, jobRO }) {
             </Select>
           </Form.Item>
         )}
+        {bodyshop.enforce_referral && (
+          <Form.Item
+            name={"referral_source"}
+            label={t("jobs.fields.referralsource")}
+            rules={[
+              {
+                required: bodyshop.enforce_referral,
+                message: t("general.validation.required"),
+              },
+            ]}
+          >
+            <Select>
+              {bodyshop.md_referral_sources.map((s) => (
+                <Select.Option key={s} value={s}>
+                  {s}
+                </Select.Option>
+              ))}
+            </Select>
+          </Form.Item>
+        )}
         <Form.Item
           label={t("jobs.fields.ca_gst_registrant")}
           name="ca_gst_registrant"