[SL-UP] : using dynamic initialization for Identify cluster on multiple endpoints (#780)

* silabs identify support

* MATTER-3770

* Restyled by whitespace

* use loop to verify initialize

* fix brackets

* fix pointer

* mvoe init inside ifdef

---------

Co-authored-by: Restyled.io <commits@restyled.io>

Author: Sarthak-Shaha

examples/platform/silabs/BaseApplication.cpp

@@ -88,6 +88,10 @@
 #include <performance_test_commands.h>
 #endif // PERFORMANCE_TEST_ENABLED
 
+#ifdef MATTER_DM_PLUGIN_IDENTIFY_SERVER
+#include <app-common/zap-generated/callback.h>
+#endif
+
 // SL-Only
 #include "sl_component_catalog.h"
 #ifdef SL_CATALOG_ZIGBEE_STACK_COMMON_PRESENT
@@ -179,13 +183,7 @@ SilabsLCD slLCD;
 #ifdef MATTER_DM_PLUGIN_IDENTIFY_SERVER
 Clusters::Identify::EffectIdentifierEnum sIdentifyEffect = Clusters::Identify::EffectIdentifierEnum::kStopEffect;
 
-Identify gIdentify = {
-    chip::EndpointId{ 1 },
-    BaseApplication::OnIdentifyStart,
-    BaseApplication::OnIdentifyStop,
-    Clusters::Identify::IdentifyTypeEnum::kVisibleIndicator,
-    BaseApplication::OnTriggerIdentifyEffect,
-};
+ObjectPool<Identify, MATTER_DM_IDENTIFY_CLUSTER_SERVER_ENDPOINT_COUNT + CHIP_DEVICE_CONFIG_DYNAMIC_ENDPOINT_COUNT> IdentifyPool;
 
 #endif // MATTER_DM_PLUGIN_IDENTIFY_SERVER
 
@@ -453,7 +451,16 @@ bool BaseApplication::ActivateStatusLedPatterns()
     bool isPatternSet = false;
 #if (defined(ENABLE_WSTK_LEDS) && (defined(SL_CATALOG_SIMPLE_LED_LED1_PRESENT)))
 #ifdef MATTER_DM_PLUGIN_IDENTIFY_SERVER
-    if (gIdentify.mActive)
+    bool isIdentifyActive = false;
+    for (const auto & obj : IdentifyPool)
+    {
+        if (obj->mActive)
+        {
+            isIdentifyActive = true;
+            break;
+        }
+    }
+    if (isIdentifyActive)
     {
         // Identify in progress
         // Do a steady blink on the status led
@@ -806,6 +813,12 @@ void BaseApplication::OnTriggerIdentifyEffect(Identify * identify)
         ChipLogProgress(Zcl, "No identifier effect");
     }
 }
+
+void emberAfIdentifyClusterInitCallback(chip::EndpointId endpoint)
+{
+    IdentifyPool.CreateObject(endpoint, BaseApplication::OnIdentifyStart, BaseApplication::OnIdentifyStop,
+                              Clusters::Identify::IdentifyTypeEnum::kVisibleIndicator, BaseApplication::OnTriggerIdentifyEffect);
+}
 #endif // MATTER_DM_PLUGIN_IDENTIFY_SERVER
 
 void BaseApplication::LightTimerEventHandler(void * timerCbArg)