WebGPU: add memory aliasing for intermediate tensor buffers #5002

Job	Run time
test-arm / test-backend-linux (arm_vgf_fp, models) / linux-job	22m 53s
test-arm / test-backend-linux (arm_tosa_fp, operators) / linux-job	23m 39s
test-arm / test-backend-linux (arm_tosa_fp, models) / linux-job	21m 34s
test-arm / test-backend-linux (arm_vgf_fp, operators) / linux-job	24m 52s
test-arm / test-backend-macos	-6s
test-arm / package-golden-artifacts	46s
	1h 33m 38s

Provide feedback