Issue found during review of DROOLS-2368 but not sure if related, most probably not. Change of function definition discards width of parent column.

Acceptance criteria

Recursively (to achieve 3 depth levels):

1. Declare context entry
2. Add 6 rows
3. Configure first 5 rows as: Literal, Decision Table, Function, Invocation, Relation
4. Configure the 6th row as Context and repeat with first step

At each depth level, check other columns width is updated when:

1. Literal is
   1. updated, resized, cleared, removed
2. Decision table is
   1. updated, resized, cleared, removed
3. Function is
   1. updated, resized, cleared, removed
4. Invocation is
   1. updated, resized, cleared, removed
5. Relation is
   1. updated, resized, cleared, removed
6. Context is
   1. updated, resized, cleared, removed

Column widths preserved after reopen