fix(ts): Improve type for errors on AsyncComponent (#25290)

Author: leedongwei

src/sentry/static/sentry/app/components/asyncComponent.tsx

@@ -21,7 +21,7 @@ type AsyncComponentState = {
   loading: boolean;
   reloading: boolean;
   error: boolean;
-  errors: object;
+  errors: Record<string, JQueryXHR>;
   remainingRequests?: number;
   [key: string]: any;
 };

src/sentry/static/sentry/app/views/dashboardsV2/orgDashboards.tsx

@@ -45,7 +45,7 @@ class OrgDashboards extends AsyncComponent<Props, State> {
     loading: true,
     reloading: false,
     error: false,
-    errors: [],
+    errors: {},
 
     dashboards: [],
     selectedDashboard: null,

src/sentry/static/sentry/app/views/eventsV2/eventDetails/content.tsx

@@ -67,7 +67,7 @@ class EventDetailsContent extends AsyncComponent<Props, State> {
     loading: true,
     reloading: false,
     error: false,
-    errors: [],
+    errors: {},
     event: undefined,
 
     // local state

src/sentry/static/sentry/app/views/eventsV2/landing.tsx

@@ -70,7 +70,7 @@ class DiscoverLanding extends AsyncComponent<Props, State> {
     loading: true,
     reloading: false,
     error: false,
-    errors: [],
+    errors: {},
 
     // local component state
     isBannerHidden: isBannerHidden(),

src/sentry/static/sentry/app/views/performance/transactionDetails/content.tsx

@@ -56,7 +56,7 @@ class EventDetailsContent extends AsyncComponent<Props, State> {
     loading: true,
     reloading: false,
     error: false,
-    errors: [],
+    errors: {},
     event: undefined,
 
     // local state