Solved
CubeIDE used to have a button to reset processor and restart the debug, without disrupting the debugging. This button allows me to restart the MCU from the beginning after a pause in debugging mode. How do I get this button back?
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In the picture you have submitted:
Red block with green arrow under "Navigate" label, halts, recompiles, reloads, then executes (like F11). that's the one you have highlighted.
Green arrow with yellow arrow circling under it. Found under the refactor label. This resets the processor without reloading it. That's the one you want. Fifth icon from the left.
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