[SL-ONLY] Fixing google nest sleep with iphone (#536)

Author: chirag-silabs

examples/platform/silabs/wifi/icd/ApplicationSleepManager.cpp

@@ -150,14 +150,16 @@ bool ApplicationSleepManager::ProcessSpecialVendorIDCase(chip::VendorId vendorId
 
 bool ApplicationSleepManager::ProcessKeychainEdgeCase()
 {
-    bool hasValidException = false;
+    bool hasValidException = true; // Default to true if no VendorId::Apple fabric is found
 
     for (auto it = mFabricTable->begin(); it != mFabricTable->end(); ++it)
     {
-        if ((it->GetVendorId() == chip::VendorId::Apple) &&
-            mSubscriptionsInfoProvider->FabricHasAtLeastOneActiveSubscription(it->GetFabricIndex()))
+        if (it->GetVendorId() == chip::VendorId::Apple)
         {
-            hasValidException = true;
+            if (!mSubscriptionsInfoProvider->FabricHasAtLeastOneActiveSubscription(it->GetFabricIndex()))
+            {
+                hasValidException = false; // Found an Apple fabric, but no active subscription
+            }
             break;
         }
     }

examples/platform/silabs/wifi/icd/ApplicationSleepManager.h

@@ -160,12 +160,12 @@ class ApplicationSleepManager : public chip::app::ReadHandler::ApplicationCallba
     /**
      * @brief Processes the Apple Keychain edge case.
      *
-     * Apple, when commissioning, adds two fabric to the device. One for Apple Home and one for the Appley Keychain.
-     * Apple Home is the active fabric which is used to communication with the device. The associated fabric also has the active
-     * subcription. Applye Keychain fabric acts as a safety and doesn't have an active fabric with the device. As such, we need an
-     * alternate method to check if the device can go to LI based sleep.
+     * Apple iphone/ipad, when commissioning, adds two fabric to the device. One for Apple Home or Google Home and one for the
+     * Appley Keychain. Apple Home or Google Home is the active fabric which is used to communication with the device. The
+     * associated fabric also has the active subcription. Applye Keychain fabric acts as a safety and doesn't have an active fabric
+     * with the device. As such, we need an alternate method to check if the device can go to LI based sleep
      *
-     * This method checks if there is any fabric with the Apple Home vendor ID that
+     * This method checks if there is any fabric with the Apple Home or Google Home vendor ID that
      * has at least one active subscription. If such a fabric is found, it allows
      * the device to go to LI based sleep.
      *