Update ikea_e1744.yaml (remove spaces to match new helper events in 2023.5)

[rubinho76]

Adaptation to new HA version 2023.5.0 and higher

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[anders3408]

This also fixes ikea_e2001_e2002.yaml if that's changed in line 406 and 407

[thomas-svrts]

Can you update regex to
regex_match("^{(("a":.*|"t":\d+.\d+)(,)?){2}}$")

[FallenLeave91]

Works for me with zigbee2mqtt on 2023.5.4