Update disabled-scenarios.json to use array format with scenario and reason in each object

Co-authored-by: mazhelez <43066499+mazhelez@users.noreply.github.com>

Author: Copilot

.github/workflows/E2E.yaml

@@ -234,7 +234,7 @@ jobs:
 
           # Load disabled scenarios from config file
           $disabledScenariosConfig = Get-Content -path (Join-Path $ENV:GITHUB_WORKSPACE "e2eTests/disabled-scenarios.json") -encoding UTF8 -raw | ConvertFrom-Json
-          $disabledScenarios = $disabledScenariosConfig.disabledScenarios
+          $disabledScenarios = @($disabledScenariosConfig | ForEach-Object { $_.scenario })
 
           $scenariosJson = @{
             "matrix" = @{

e2eTests/disabled-scenarios.json

@@ -1,8 +1,6 @@
-{
-    "disabledScenarios": [
-        "FederatedCredentials"
-    ],
-    "reason": {
-        "FederatedCredentials": "Azure resource migration work in progress"
+[
+    {
+        "scenario": "FederatedCredentials",
+        "reason": "Azure resource migration work in progress"
     }
-}
+]