Dialog Seam Allowance doesn't block user from saving broken formula

[Roman Telezhynskyi]

If user select top and bottom pins the dialog doesn't block saving broken formulas. Even if this formula is not used for calculation checking list of measurements tries to parse it and fails.

[Roman Telezhynskyi]

Fixed issue #938. Dialog Seam Allowance doesn't block user from saving broken formula.

→ <<cset 829e2d26bb6e>>

[Roman Telezhynskyi]

Fixed issue #938. Dialog Seam Allowance doesn't block user from saving broken formula. (grafted from 829e2d26bb6e63c8bdbf541caac22a1e7f76602b)

→ <<cset 9cff08e9e421>>