fix fused linear 0 size bug #4663

Job	Run time
Clone-linux / Clone Paddle	4m 3s
PR-CI-Coverage / Coverage build	47m 52s
Linux-CPU / Build and test	28m 3s
PR-CI-SOT / Check bypass for SOT / Check bypass	3s
Linux-XPU / Check bypass for XPU / Check bypass	3s
PR-CI-Inference / Check bypass for inference / Check bypass	3s
PR-CI-Inference / Build	22m 20s
Linux-XPU / Build	56m 23s
PR-CI-SOT / Build and Test	1h 13m 6s
PR-CI-Inference / Test	6m 51s
Linux-NPU / Check bypass for NPU / Check bypass	3s
Linux-NPU / Test	7m 27s
PR-CI-Coverage / Coverage test	1s
Linux-XPU / Test	34m 25s
	4h 40m 43s

Provide feedback