Card header height wrong for some strings

[jpursell]

panel 0.13.1

bokeh 2.4.3 holoviews 1.15.0 jupyter_client 7.3.4 jupyter_core 4.11.1 jupyter_server 1.18.1 jupyterlab 3.4.4
jupyterlab_pygments 0.2.2 jupyterlab_server 2.15.0 notebook 6.4.12 notebook-shim 0.1.0 python 3.10.5

Linux WSL Ubuntu 20.04 Chrome 99.0.4844.84 (Official Build) (64-bit) Windows 10.0.19044 Build 19044

Expect Card header height to adjust to fit different length headers

import holoviews as hv
import panel as pn

hv.extension("bokeh")

pn.Card(header="one two three four five six seven")