fix(rc): copy the old rc file instead of moving it

Prevents users needing to restore a backup if they also use an old version of bob simultaneously.

assigned to @ydayer

added 1 commit

• b49f4b57 - tests: adapt to the new rc behavior, follow fixes.

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added 1 commit

• be76e6a9 - tests: adapt to the new rc behavior, copy not move

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merged

mentioned in commit 36cefb21