bug/VSPC-283

[Girik1105]

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Please provide a brief description of your ticket

Button to resize the space background image on the public page doesn't work properly

In some cases, nothing happens (probably when the image is too small?) and in some cases it extends the image beyond the browser size.
What should happen is that if the image isn’t big enough, the button should be disabled and if the user hovers over it, it should say “Image is not big enough to expand.” If the image is big enough it should take up the whole screen (so move image to the left and then fill up the whole browser width).

VSPC-283

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