add testcases for shared heap and fix POP_MEM_OFFSET of memory64 (#3916)

- add testcases for shared_heap
- fix POP_MEM_OFFSET and POP_TBL_ELEM_IDX of memory64

Signed-off-by: wenlingyun1 <wenlingyun1@xiaomi.com>

tests/unit/shared-heap/wasm-apps/test_addr_conv.c

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2024 Xiaomi Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdio.h>
+
+extern void *
+shared_heap_malloc(int size);
+extern void
+shared_heap_free(void *offset);
+extern void *
+test_addr_conv(void *ptr);
+
+int
+test()
+{
+    int *ptr = NULL;
+    int *ptr2 = NULL;
+
+    ptr = (int *)shared_heap_malloc(4);
+
+    if (ptr == NULL) {
+        return 0;
+    }
+    ptr2 = test_addr_conv(ptr);
+    if (ptr2 != ptr) {
+        return 0;
+    }
+    shared_heap_free(ptr);
+    return 1;
+}