Optimize memory initialization handling in AOT loader #8659

Job	Run time
build (-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_INTERP=0)	1m 49s
build (-DWAMR_BUILD_AOT=0)	1m 16s
build (-DWAMR_BUILD_TAIL_CALL=1)	1m 6s
build (-DWAMR_BUILD_CUSTOM_NAME_SECTION=1)	1m 36s
build (-DWAMR_DISABLE_HW_BOUND_CHECK=1)	1m 33s
build (-DWAMR_BUILD_REF_TYPES=1)	1m 46s
build (-DWAMR_BUILD_SIMD=1)	1m 38s
build (-DWAMR_BUILD_DEBUG_INTERP=1)	1m 31s
build (-DWAMR_BUILD_LIB_PTHREAD=1)	1m 45s
build (-DWAMR_BUILD_LIB_WASI_THREADS=1)	1m 41s
build (-DWAMR_BUILD_LIBC_UVWASI=0 -DWAMR_BUILD_LIBC_WASI=1)	1m 48s
test (classic-interp, $DEFAULT_TEST_OPTIONS)	4m 25s
test (classic-interp, $MULTI_MODULES_TEST_OPTIONS)	3m 48s
test (classic-interp, $THREADS_TEST_OPTIONS)	3m 39s
test (classic-interp, $WASI_TEST_OPTIONS)	2m 20s
test (fast-interp, $DEFAULT_TEST_OPTIONS)	3m 55s
test (fast-interp, $MULTI_MODULES_TEST_OPTIONS)	3m 56s
test (fast-interp, $THREADS_TEST_OPTIONS)	3m 5s
test (fast-interp, $WASI_TEST_OPTIONS)	1m 54s
	44m 31s

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