[graph] fix screenshot fragment shader function

2 jobs for 395-dev-ps-0.15-update in 0 seconds (queued for 81 minutes and 11 seconds)
Status Job ID Name Coverage
  Test
failed #5053
deps

failed #5054
test

 
Name Stage Failure
failed
test Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
deps Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace