[WebInterface] fix multi exchange historical pf display #4196

Job	Run time
macos-13x64 - Python - 3.10 - Tests	10m 32s
windows-latestx64 - Python - 3.10 - Tests	6m 1s
ubuntu-latestx64 - Python - 3.10 - Tests	4m 37s
ubuntu-latestx64 - Python - 3.10 - Upload	1m 7s
notify	0s
	22m 17s

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