Add current date to base2 prompt (#712) #764

Job	Run time
build-and-smoke-freebuff-windows	2m 52s
build-freebuff	1m 7s
e2e-help-command	1m 11s
e2e-code-edit	1m 1s
e2e-slash-commands	50s
e2e-agent-startup	2m 5s
e2e-terminal-command	52s
e2e-startup	1m 0s
e2e-ads-behavior	1m 12s
e2e-version	58s
	13m 8s

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