fix(ui): clear connectivity error when switching databases

Clears stale connectivity error from previous database when user
switches to a different database, preventing brief display of error
indicator for healthy connections.

References: #RI-7761

Author: pawelangelow

redisinsight/ui/src/pages/instance/InstancePage.spec.tsx

@@ -49,6 +49,7 @@ import * as rdiInstanceSlice from 'uiSrc/slices/rdi/instances'
 import { loadInstances as loadRdiInstances } from 'uiSrc/slices/rdi/instances'
 
 import { clearExpertChatHistory } from 'uiSrc/slices/panels/aiAssistant'
+import { setConnectivityError } from 'uiSrc/slices/app/connectivity'
 import { getAllPlugins } from 'uiSrc/slices/app/plugins'
 import { DEFAULT_RDI_SHOWN_COLUMNS, FeatureFlags } from 'uiSrc/constants'
 import { getDatabasesApiSpy } from 'uiSrc/mocks/handlers/instances/instancesHandlers'
@@ -158,6 +159,7 @@ describe('InstancePage', () => {
       getRecommendations(),
       ...resetContextActions,
       clearExpertChatHistory(),
+      setConnectivityError(null),
       setAppContextConnectedInstanceId(INSTANCE_ID_MOCK),
       setDbConfig(undefined),
     ]

redisinsight/ui/src/slices/app/context.ts

@@ -46,6 +46,7 @@ import {
   setPipelineJobs,
 } from 'uiSrc/slices/rdi/pipeline'
 import { resetOutput } from 'uiSrc/slices/cli/cli-output'
+import { setConnectivityError } from 'uiSrc/slices/app/connectivity'
 import { SearchMode } from '../interfaces/keys'
 import {
   AppWorkspace,
@@ -448,6 +449,7 @@ export function resetDatabaseContext() {
     dispatch(setRedisearchInitialState())
     dispatch(setInitialRecommendationsState())
     dispatch(clearExpertChatHistory())
+    dispatch(setConnectivityError(null))
     setTimeout(() => {
       dispatch(resetOutput())
     }, 0)