fix a issue about GetPartitionLabelByNamespace (#23738)

diff --git a/src/platform/ESP32/ESP32Config.cpp b/src/platform/ESP32/ESP32Config.cpp
index c700b35..6d91c0d 100644
--- a/src/platform/ESP32/ESP32Config.cpp
+++ b/src/platform/ESP32/ESP32Config.cpp
@@ -105,7 +105,7 @@
     {
         return CHIP_DEVICE_CONFIG_CHIP_CONFIG_NAMESPACE_PARTITION;
     }
-    else if (strcmp(ns, kConfigNamespace_ChipCounters))
+    else if (strcmp(ns, kConfigNamespace_ChipCounters) == 0)
     {
         return CHIP_DEVICE_CONFIG_CHIP_COUNTERS_NAMESPACE_PARTITION;
     }