Description:
Microsoft Excel and apparently also Google Docs support the IMAGE function in formulas to load an image from an URL and insert it inside a cell.

=IMAGE(source, [alt_text], [sizing], [height], [width])

Further details can be found on [Microsoft's reference page for the IMAGE function](https://support.microsoft.com/en-gb/office/image-function-7e112975-5e52-4f2a-b9da-1d913d51f5d5).

I recently stumbled about the missing IMAGE function in Calc, when I tried to open a spreadsheet, which used the function to show dynamically generated QR-Codes based on the content of a cell. Here is the formula:

=image("https://quickchart.io/qr?text=" & ENCODEURL(J4))

A quick research revealed that other persons had similar issues or at least required a similar functionality, so there definitely seem to be use-cases where such a function would be helpful:

* https://ask.libreoffice.org/t/feature-request-insert-images-into-calc-cells/6822
* https://ask.libreoffice.org/t/in-calc-is-there-a-way-to-set-the-source-of-an-image-using-a-formula/26652
* https://ask.libreoffice.org/t/macro-to-display-an-image-by-cell-value/75886

The latter two discussions also include examples for macros that resemble at least parts of the required functionality, therefore I assume that the implementation should be feasible.

A macro might be even an acceptable workaround for the time being, but in the end it would be awesome, if Calc could provide a native IMAGE function. Not only to offer Calc users a new feature to enhance their spreadsheets, but primarily to allow correct handling of Excel and Google spreadsheets that use this function.

Steps to Reproduce:
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Actual Results:
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Expected Results:
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Reproducible: Always


User Profile Reset: No

Additional Info:
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