Add email field tooltip about SSO identifier (#83)

# Add email field tooltip about SSO identifier

## ♻️ Current situation & Problem
Email field might be unclear.


## ⚙️ Release Notes 
* Add email field tooltip about SSO identifier


![image](https://github.com/user-attachments/assets/80f51ec7-2207-4f61-963a-e014893de824)


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routes/~_dashboard/~users/UserForm.tsx

@@ -81,6 +81,7 @@ export const UserForm = ({
         control={form.control}
         name="email"
         label="Email"
+        tooltip="Email should be the unique SSO indentifier of your organization"
         render={({ field }) => <Input type="email" {...field} />}
       />
       <Field