feat(component): adjust notify styles (#6578)

Change the styles of `notify.error`, `notify.warning`, and `notify.success` from `alert` to `normal`
Add custom `iconColor` option

packages/frontend/core/src/components/affine/ai-onboarding/edgeless.dialog.tsx

@@ -70,7 +70,8 @@ export const AIOnboardingEdgeless = ({
           {
             title: t['com.affine.ai-onboarding.edgeless.title'](),
             message: t['com.affine.ai-onboarding.edgeless.message'](),
-            icon: <AiIcon color={cssVar('processingColor')} />,
+            icon: <AiIcon />,
+            iconColor: cssVar('brandColor'),
             thumb: <EdgelessOnboardingAnimation />,
             alignMessage: 'icon',
             onDismiss,

packages/frontend/core/src/components/affine/setting-modal/general-setting/plans/ai/actions/resume.tsx

@@ -44,9 +44,8 @@ export const AIResume = ({ ...btnProps }: AIResumeProps) => {
           SubscriptionPlan.AI
         );
         notify({
-          icon: (
-            <SingleSelectSelectSolidIcon color={cssVar('processingColor')} />
-          ),
+          icon: <SingleSelectSelectSolidIcon />,
+          iconColor: cssVar('processingColor'),
           title:
             t['com.affine.payment.ai.action.resume.confirm.notify.title'](),
           message: