Improve logging around network technology detection in MTRDevice.

1. Log which values get filtered on reports, so we know what's in the cache.
2. Log some state around our network features after we load information from
   persistent storage.

Author: bzbarsky-apple

src/darwin/Framework/CHIP/MTRDevice_Concrete.mm

@@ -4195,9 +4195,9 @@ - (NSArray *)_getAttributesToReportWithReportedValues:(NSArray<NSDictionary<NSSt
                 // When the expected value interval expires, the correct value will be reported,
                 // if needed.
                 if (expectedValue) {
-                    MTR_LOG("%@ report %@ value filtered - expected value still present", self, attributePath);
+                    MTR_LOG("%@ report %@ value %@ filtered - expected value still present", self, attributePath, attributeDataValue);
                 } else {
-                    MTR_LOG("%@ report %@ value filtered - same as read cache", self, attributePath);
+                    MTR_LOG("%@ report %@ value %@ filtered - same as read cache", self, attributePath, attributeDataValue);
                 }
             }
 
@@ -4310,6 +4310,22 @@ - (void)_doSetPersistedClusterData:(NSDictionary<MTRClusterPath *, MTRDeviceClus
 
     [self _updateAttributeDependentDescriptionData];
 
+    NSNumber * networkFeatures = nil;
+    {
+        std::lock_guard descriptionLock(_descriptionLock);
+        networkFeatures = _allNetworkFeatures;
+    }
+
+    if ((networkFeatures.unsignedLongLongValue & MTRNetworkCommissioningFeatureWiFiNetworkInterface) == 0 && (networkFeatures.unsignedLongLongValue & MTRNetworkCommissioningFeatureThreadNetworkInterface) == 0) {
+        // We had persisted data, but apparently this device does not have any
+        // known network technologies?  Log some more information about what's
+        // going on.
+        auto * rootNetworkCommissioningPath = [MTRClusterPath clusterPathWithEndpointID:@(kRootEndpointId) clusterID:@(MTRClusterIDTypeNetworkCommissioningID)];
+        auto * networkCommisioningData = clusterData[rootNetworkCommissioningPath];
+        MTR_LOG("%@ after setting persisted data, network features: %@, root network commissioning featureMap: %@", self, networkFeatures,
+            networkCommisioningData.attributes[@(MTRClusterGlobalAttributeFeatureMapID)]);
+    }
+
     // We have some stored data.  Since we don't store data until the end of the
     // initial priming report, our device cache must be primed.
     _deviceCachePrimed = YES;