UI glitch when a public IP address is selected on the page

##### ISSUE TYPE

* Bug Report

##### COMPONENT NAME

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UI
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##### CLOUDSTACK VERSION

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4.19 current main
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##### CONFIGURATION

N/A

##### OS / ENVIRONMENT

N/A

##### SUMMARY

##### STEPS TO REPRODUCE

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Go to the 'Public IP addresses' page and select at least one of the public IP addresses.
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##### EXPECTED RESULTS

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The buttons should be in a horizontal row, as on the other pages.
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##### ACTUAL RESULTS

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When one or more public IP address is selected on the 'Public IP addresses' page, the action buttons are displaced - one on top of the other.
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