Optimize memory initialization handling in AOT loader #8663

Job	Run time
build (-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_INTERP=0)	1m 40s
build (-DWAMR_BUILD_AOT=0)	1m 28s
build (-DWAMR_BUILD_TAIL_CALL=1)	1m 54s
build (-DWAMR_BUILD_CUSTOM_NAME_SECTION=1)	1m 33s
build (-DWAMR_DISABLE_HW_BOUND_CHECK=1)	1m 39s
build (-DWAMR_BUILD_REF_TYPES=1)	1m 55s
build (-DWAMR_BUILD_SIMD=1)	1m 55s
build (-DWAMR_BUILD_DEBUG_INTERP=1)	1m 12s
build (-DWAMR_BUILD_LIB_PTHREAD=1)	1m 50s
build (-DWAMR_BUILD_LIB_WASI_THREADS=1)	1m 46s
build (-DWAMR_BUILD_LIBC_UVWASI=0 -DWAMR_BUILD_LIBC_WASI=1)	1m 32s
test (classic-interp, $DEFAULT_TEST_OPTIONS)	4m 18s
test (classic-interp, $MULTI_MODULES_TEST_OPTIONS)	4m 21s
test (classic-interp, $THREADS_TEST_OPTIONS)	5m 6s
test (classic-interp, $WASI_TEST_OPTIONS)	1m 50s
test (fast-interp, $DEFAULT_TEST_OPTIONS)	4m 16s
test (fast-interp, $MULTI_MODULES_TEST_OPTIONS)	4m 40s
test (fast-interp, $THREADS_TEST_OPTIONS)	5m 7s
test (fast-interp, $WASI_TEST_OPTIONS)	3m 35s
	51m 37s

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