hledger-flow: ally: fix Description

Descriptions with leading space were falsely included as `Type` tag

container/src/hledger-flow/accounts/ally/ally-shared.bash

@@ -43,9 +43,9 @@ function parse()
        if (NR<2 || $1 !~ global_year)
          next
 
-       # Description may have comma followed by space
-       # TODO: what about description ending in comma?...
-       gsub(/, /, " - ");
+       # `Description` cleanup
+       sub(/^ /, "", $5)  # may have an empty space in front of line
+       gsub(/, /, " - ")  # may have (multiple) commas followed by space
 
        printf $1 OFS  # date
        printf $2 OFS  # time