Add form validation for CreateProcessDialog

[swaterkamp]

Checklist:

• Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #2129 into master will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2129      +/-   ##
==========================================
+ Coverage   52.67%   52.69%   +0.02%     
==========================================
  Files        1068     1069       +1     
  Lines       25654    25665      +11     
  Branches     7294     7296       +2     
==========================================
+ Hits        13513    13525      +12     
+ Misses      11027    11026       -1     
  Partials     1114     1114              

Impacted Files	Coverage Δ
gsa/src/web/components/form/useFormValidation.js	100.00% <100.00%> (+2.63%)	⬆️
...c/web/components/processmap/createprocessdialog.js	100.00% <100.00%> (ø)
...a/src/web/components/processmap/validationrules.js	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e6a7d80...da27446. Read the comment docs.