cubicweb #1448520 Check DataOperations for suspicious return statements [resolved]

When DataOperation was introduced, some adaptations were probably made a bit too quickly, resulting in some return statements in the event_handler left where they should have been converted to continue statements.

Make a pass over the code of cw and cubes to fix this.

prioritynormal
typetask
done in3.10.8
load0.250
load left0.000
closed by<not specified>