[Darwin] Remove Matter framework main queue usage (#35492)

Author: jtung-apple

src/darwin/Framework/CHIP/MTRDeviceController.mm

@@ -845,7 +845,7 @@ - (BOOL)startup:(MTRDeviceControllerStartupParamsInternal *)startupParams
             //
             // Note that this is just an optimization to avoid throwing the information away and immediately
             // re-reading it from storage.
-            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) (kSecondsToWaitBeforeAPIClientRetainsMTRDevice * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) (kSecondsToWaitBeforeAPIClientRetainsMTRDevice * NSEC_PER_SEC)), self.chipWorkQueue, ^{
                 MTR_LOG("%@ un-retain devices loaded at startup %lu", self, static_cast<unsigned long>(deviceList.count));
             });
         }];

src/darwin/Framework/CHIP/MTRDeviceController_Concrete.mm

@@ -761,7 +761,7 @@ - (BOOL)startup:(MTRDeviceControllerStartupParamsInternal *)startupParams
             //
             // Note that this is just an optimization to avoid throwing the information away and immediately
             // re-reading it from storage.
-            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) (kSecondsToWaitBeforeAPIClientRetainsMTRDevice * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) (kSecondsToWaitBeforeAPIClientRetainsMTRDevice * NSEC_PER_SEC)), self.chipWorkQueue, ^{
                 MTR_LOG("%@ un-retain devices loaded at startup %lu", self, static_cast<unsigned long>(deviceList.count));
             });
         }];

src/darwin/Framework/CHIP/MTRDeviceController_XPC.mm

@@ -115,7 +115,7 @@ - (void)_startXPCConnectionRetry
         self.xpcRetryTimeInterval = 0.5;
         mtr_weakify(self);
 
-        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) (self.xpcRetryTimeInterval * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) (self.xpcRetryTimeInterval * NSEC_PER_SEC)), self.chipWorkQueue, ^{
             mtr_strongify(self);
             [self _xpcConnectionRetry];
         });
@@ -135,7 +135,7 @@ - (void)_xpcConnectionRetry
             self.xpcRetryTimeInterval = MIN(60.0, self.xpcRetryTimeInterval);
             mtr_weakify(self);
 
-            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(self.xpcRetryTimeInterval * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(self.xpcRetryTimeInterval * NSEC_PER_SEC)), self.chipWorkQueue, ^{
                 mtr_strongify(self);
                 [self _xpcConnectionRetry];
             });

src/darwin/Framework/CHIP/MTRDevice_Concrete.mm

@@ -1165,7 +1165,7 @@ - (void)_scheduleSubscriptionPoolWork:(dispatch_block_t)workBlock inNanoseconds:
     }
 
     // Wait the required amount of time, then put it in the subscription pool to wait additionally for a spot, if needed
-    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, inNanoseconds), dispatch_get_main_queue(), ^{
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, inNanoseconds), self.queue, ^{
         // In the case where a resubscription triggering event happened and already established, running the work block should result in a no-op
         MTRAsyncWorkItem * workItem = [[MTRAsyncWorkItem alloc] initWithQueue:self.queue];
         [workItem setReadyHandler:^(id _Nonnull context, NSInteger retryCount, MTRAsyncWorkCompletionBlock _Nonnull completion) {