fix: improve error handling and logging in resource creation and SSE worker

Author: AbhishekA1509

src/components/ResourceBrowser/ResourceList/CreateResource.tsx

@@ -17,6 +17,7 @@
 import React, { useEffect, useState } from 'react'
 
 import {
+    API_STATUS_CODES,
     Button,
     ButtonStyleType,
     ButtonVariantType,
@@ -27,7 +28,11 @@ import {
     GenericEmptyState,
     handleAnalyticsEvent,
     InfoBlock,
+    ServerErrors,
     showError,
+    TOAST_ACCESS_DENIED,
+    ToastManager,
+    ToastVariantType,
     useRegisterShortcut,
 } from '@devtron-labs/devtron-fe-common-lib'
 
@@ -89,7 +94,14 @@ export const CreateResource: React.FC<CreateResourceType> = ({ closePopup, clust
                 setNeedsUpdate(true)
             }
         } catch (err) {
-            showError(err)
+            if ((err as ServerErrors).code === API_STATUS_CODES.PERMISSION_DENIED) {
+                ToastManager.showToast({
+                    variant: ToastVariantType.notAuthorized,
+                    description: (err as ServerErrors).errors?.[0]?.userMessage || TOAST_ACCESS_DENIED.SUBTITLE,
+                })
+            } else {
+                showError(err)
+            }
         } finally {
             setLoader(false)
         }

src/components/app/grepSSEworker.ts

@@ -34,7 +34,7 @@ export default () => {
         eventListener(ev) {
             let log
             try {
-                log = JSON.parse(ev.data).result.content
+                log = JSON.parse(ev.data).result.content ?? ev.data
             } catch (e) {
                 log = ev.data
             }

src/components/v2/appDetails/k8Resource/nodeDetail/NodeDetailTabs/Manifest.component.tsx

@@ -462,7 +462,7 @@ const ManifestComponent = ({
                     if (err.code === 403) {
                         ToastManager.showToast({
                             variant: ToastVariantType.notAuthorized,
-                            description: TOAST_ACCESS_DENIED.SUBTITLE,
+                            description: (err as ServerErrors).errors?.[0]?.userMessage || TOAST_ACCESS_DENIED.SUBTITLE,
                         })
                     } else if (err.code === 400 || err.code === 409 || err.code === 422) {
                         const er = err.errors && err.errors[0]