feat:fix iOS memory leak in debugging

doric-iOS/Pod/Classes/DoricContext.m

@@ -101,6 +101,7 @@ - (void)build:(CGSize)size {
 - (void)reload:(NSString *)script {
     [self.driver destroyContext:self.contextId];
     self.rootNode.viewId = nil;
+    [self.rootNode clearSubModel];
     self.script = script;
     [self.driver createContext:self.contextId script:script source:self.source];
     [self init:self.extra];

doric-iOS/Pod/Classes/DoricNativeDriver.m

@@ -195,4 +195,8 @@ - (void)ensureSyncInMainQueue:(dispatch_block_t)block {
         dispatch_async(dispatch_get_main_queue(), block);
     }
 }
+
+- (void)dealloc {
+    [self.jsExecutor teardown];
+}
 @end

doric-iOS/Pod/Classes/Engine/DoricJSEngine.h

@@ -48,6 +48,8 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)ensureRunOnJSThread:(dispatch_block_t)block;
 
 - (void)initJSEngine;
+
+- (void)teardown;
 @end
 
 NS_ASSUME_NONNULL_END

doric-iOS/Pod/Classes/Engine/DoricJSEngine.m

@@ -101,9 +101,9 @@ - (instancetype)init {
     return self;
 }
 
-- (void)dealloc {
+- (void)teardown {
     _destroyed = YES;
-};
+}
 
 - (void)ensureRunOnJSThread:(dispatch_block_t)block {
     if (NSThread.currentThread == _jsThread) {

doric-iOS/Pod/Classes/Shader/DoricGroupNode.m

@@ -181,4 +181,10 @@ - (void)requestLayout {
         [node requestLayout];
     }
 }
+
+- (void)clearSubModel {
+    [super clearSubModel];
+    self.childNodes = @[];
+    self.childViewIds = @[];
+}
 @end