Allow description to be optional (#4060)

# What this PR does

Allow description input to be optional in the integration form

grafana-plugin/src/components/IntegrationHowToConnect/IntegrationHowToConnect.tsx

@@ -62,6 +62,7 @@ export const IntegrationHowToConnect: React.FC<{ id: ApiSchemas['AlertReceiveCha
               {url && (
                 <IntegrationInputField
                   value={url}
+                  isMasked
                   className={cx('integration__input-field')}
                   showExternal={!!item?.integration_url}
                 />

grafana-plugin/src/containers/IntegrationForm/IntegrationForm.tsx

@@ -197,14 +197,8 @@ export const IntegrationForm = observer(
           <Controller
             name={'description_short'}
             control={control}
-            rules={{ required: 'Description is required' }}
             render={({ field }) => (
-              <Field
-                key={'Description'}
-                label={'Integration Description'}
-                invalid={!!errors.description_short}
-                error={errors.description_short?.message}
-              >
+              <Field key={'Description'} label={'Integration Description'}>
                 <TextArea {...field} className={styles.textarea} placeholder={'Integration Description'} />
               </Field>
             )}