feat(custom-types): add highlight fields option for custom types (#726)

* feat(custom-types): add highlight feilds option for custom types

* fix(custom-types): show indicator when custom type is in used

* feat(canvas): add enum highlight indicator with pulse animation and double-click to clear

* some fixes

* some fixes

* fix

* fix

---------

Co-authored-by: Guy Ben-Aharon <baguy3@gmail.com>

src/context/chartdb-context/chartdb-context.tsx

@@ -78,6 +78,9 @@ export interface ChartDBContext {
     events: EventEmitter<ChartDBEvent>;
     readonly?: boolean;
 
+    highlightedCustomType?: DBCustomType;
+    highlightCustomTypeId: (id?: string) => void;
+
     filteredSchemas?: string[];
     filterSchemas: (schemaIds: string[]) => void;
 
@@ -294,6 +297,7 @@ export const chartDBContext = createContext<ChartDBContext>({
     areas: [],
     customTypes: [],
     schemas: [],
+    highlightCustomTypeId: emptyFn,
     filteredSchemas: [],
     filterSchemas: emptyFn,
     currentDiagram: {