Add support for i18n in workflow editor

[apechenko-sc]

Meta-Info	Value
ExtProjectId	JCINV-01
Original Estimation	8h
Remaining Estimation	0h

All UI elements including names of guards, states, events, actions and their params must be translatable.

[estambakio-sc]

Please provide translations based on this file https://github.com/OpusCapita/fsm-workflow/blob/issue-81/packages/editor/src/i18n/en.js :

• [x] de @nhryhoryeva-sc
• [x] ru, fi, no, sv @amotuz-sc

[estambakio-sc]

Demo link https://opuscapita.github.io/fsm-workflow/branches/issue-81/editor/?currentComponentName=WorkflowEditor&maxContainerWidth=100%25

Translated: en, de

What to test:

• all UI parts (buttons, etc) are translated
• some schema-related parts are translated (actions testAction, sendMail, condition (guard/automatic) userHasRoles, states approved, inspectionRequired)

[dshwedovsky-sc]

UI: labels, messages, modals, states are translated to German and English