To set the ‘Numbers’ format code @ (‘Text’) for the afflicted range in advance is a very inefficient workaround and has side-effects probably getting relevant later, and then causing errors of the kind where the exploration of the cause is difficult.
For me it works to use Alt+Enter when finishing the editing. The goRight may then be the next step.
Please note that Alt+Enter makes the cell selected in the full sense.
The formula recognition based on the leading = is not suppressed.