[bitcoin/bitcoin] Preserve a format of RPC command definitions (#14008)

kostyantyn commented on this pull request.

> @@ -285,8 +285,8 @@ class CCoinsViewCache : public CCoinsViewBacked
* Note that lightweight clients may not know anything besides the hash of previous transactions,
* so may not be able to calculate this.
*
— * @param[in] tx transaction for which we are checking input total
— * @return Sum of value of all inputs (scriptSigs)
+ * @param[in] tx transaction for which we are checking input total
+ * @return Sum of value of all inputs (scriptSigs)

for reviewers: I replaced tabs with spaces because if this block is moved, the `test/lint/lint-whitespace.sh` will fail.