Enhance wasm loader checks for opcode br_table #7115

Job	Run time
build (-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_INTERP=0)	1m 48s
build (-DWAMR_BUILD_AOT=0)	2m 6s
build (-DWAMR_BUILD_TAIL_CALL=1)	1m 57s
build (-DWAMR_BUILD_CUSTOM_NAME_SECTION=1)	2m 34s
build (-DWAMR_DISABLE_HW_BOUND_CHECK=1)	1m 38s
build (-DWAMR_BUILD_REF_TYPES=1)	1m 58s
build (-DWAMR_BUILD_SIMD=1)	1m 34s
build (-DWAMR_BUILD_DEBUG_INTERP=1)	1m 53s
build (-DWAMR_BUILD_LIB_PTHREAD=1)	1m 39s
build (-DWAMR_BUILD_LIB_WASI_THREADS=1)	1m 58s
build (-DWAMR_BUILD_LIBC_UVWASI=0 -DWAMR_BUILD_LIBC_WASI=1)	2m 1s
test (classic-interp, $DEFAULT_TEST_OPTIONS)	4m 42s
test (classic-interp, $MULTI_MODULES_TEST_OPTIONS)	4m 31s
test (classic-interp, $THREADS_TEST_OPTIONS)	4m 15s
test (classic-interp, $WASI_TEST_OPTIONS)	2m 4s
test (fast-interp, $DEFAULT_TEST_OPTIONS)	4m 47s
test (fast-interp, $MULTI_MODULES_TEST_OPTIONS)	5m 1s
test (fast-interp, $THREADS_TEST_OPTIONS)	3m 32s
test (fast-interp, $WASI_TEST_OPTIONS)	1m 42s
	51m 40s

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