refs #501

fix: PAB number of falls: display calculated parameter first, after variated parameters and before extra results

refs #534

refs #533

refs #536

refs #535

refs #516

test(e2e): check computed parameter initial value is not null with "empty fields on calculator creation" option

refs #516

fix: graph crash in backwater curves calculator when embankment has a high value and calculation does not converge

refs #532

refs #516

refs #516

refs #516

fix: empty field 'number of falls" of 'generate fish ladder' dialog when 'enable empty fields on new calculator' option is set

refs #516

refs #530

refs #529

fix: remove CdWSL (Larinier weir) from fields not to be emptied with "empty fields on calculator creation" option

To force user to fill CdWSL input

refs #515

refs #503

refs #503

refs #480

refs #507

In parallel structures, when:
- set a structure parameter to variated mode
- cancel dialog
- copy structure
a dialog opens.
Now use object representation instead of clone to backup parameter before opening the variable mode dialog.

refs #508

refs #480

refs #508

when:
- "create calculators with empty fields" is set,
- a single value parameter is given a value,
- parameter mode changed to variable,
fields opening edition dialog are incorrectly filled.

refs #480

refs #508

refs #480

refs #508

refactor: move list of parameters not to be emptied by "create new calculators with empty fields" to constant in FormulaireNode

refs #480

refs #480

- fix enabled "switch to graph" button when form is invalid
- fix modification of the original parameter (now only modified when form is closed with "validate" button)

Fix #507

Closes #498

- migrate empty parameter check to FormPrebarrage

Refs #484

- known issue: The color changes only on item selection

Refs #484

Refs #431

ref #431