Reduce UI technical debt

[BulotF]

• convert React Class-Based Components to Functional Components (including the classes that don't extend Component but ControlWithSuggestion)
• solve Dependabot Critical alerts (5 of 21) ; 3 of them need react-scripts update
• reduce other alerts by upgrading dependencies or change dependencies
• sonar : solve bugs (2 of 5 are critical) and security hotspots (4 : all medium, including 1 in the uuid calculation)
• reduce code smells (151), including :
  • 33 critical, including 27 Cognitive Complexity
  • 30 code smells in 1 file : src/forms/controls/rich-textarea/lib/markdown-vtl-parser.js
• increase test coverage

[romaintailhurat]

@BulotF A good input to Jonathan's intervention ?