Dropdown list entries not correct height for empty or whitespace strings

[sid-6581]

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CodeSandbox Case (Bug Reports)

Current behavior
When a dropdown list contains a string that is empty or all whitespace, the dropdown list entry will be collapsed, and not the correct height.

Reported in #1995, and a fix for the placeholder problem mentioned in this issue was fixed in #2016. My PR #1996 contained fixes for both issues, but #2016 did not fix the dropdown list entry height problem.

Expected behavior
The dropdown list should display the blank entry at the correct height.

• Vue version: 3.2.26

• PrimeVue version: 3.11

• Browser: all

[tugcekucukoglu]

Please use templating for height. It's not the core issue.