Captions "Text alignment" is not working with "Open position caption block"
Example.1
Setting : "Align Left" + "Open position caption block" on lower middle
But...



As you can see it still expands out on both side eventhough "Text align left" is selected.
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Example.2
Setting : "Align center" + "Open position caption block" shifted a bit to the right

Result...



Now it expands to the right???
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Example.3
Isn't "Text alignment" supposes to work as a pivot for text and "Open position caption block" should works as a position of that pivot?
