fix(types): dispatched events without a detail value should be null (#1124)

Currently, dispatched events without `e.detail` have a type of `any`.

We can be more specific as a `CustomEvent` detail value is `null`.

types/ImageLoader/ImageLoader.svelte.d.ts

@@ -49,7 +49,7 @@ export interface ImageLoaderProps
 
 export default class ImageLoader extends SvelteComponentTyped<
   ImageLoaderProps,
-  { load: CustomEvent<any>; error: CustomEvent<any> },
+  { load: CustomEvent<null>; error: CustomEvent<null> },
   { error: {}; loading: {} }
 > {
   /**

types/LocalStorage/LocalStorage.svelte.d.ts

@@ -18,7 +18,7 @@ export interface LocalStorageProps {
 export default class LocalStorage extends SvelteComponentTyped<
   LocalStorageProps,
   {
-    save: CustomEvent<any>;
+    save: CustomEvent<null>;
     update: CustomEvent<{ prevValue: any; value: any }>;
   },
   {}

types/MultiSelect/MultiSelect.svelte.d.ts

@@ -228,7 +228,7 @@ export default class MultiSelect extends SvelteComponentTyped<
       selected: MultiSelectItem[];
       unselected: MultiSelectItem[];
     }>;
-    clear: CustomEvent<any>;
+    clear: CustomEvent<null>;
     keydown: WindowEventMap["keydown"];
     keyup: WindowEventMap["keyup"];
     focus: WindowEventMap["focus"];

types/Search/Search.svelte.d.ts

@@ -113,8 +113,8 @@ export interface SearchProps {
 export default class Search extends SvelteComponentTyped<
   SearchProps,
   {
-    expand: CustomEvent<any>;
-    collapse: CustomEvent<any>;
+    expand: CustomEvent<null>;
+    collapse: CustomEvent<null>;
     click: WindowEventMap["click"];
     mouseover: WindowEventMap["mouseover"];
     mouseenter: WindowEventMap["mouseenter"];

types/Tooltip/Tooltip.svelte.d.ts

@@ -92,8 +92,8 @@ export interface TooltipProps
 export default class Tooltip extends SvelteComponentTyped<
   TooltipProps,
   {
-    open: CustomEvent<any>;
-    close: CustomEvent<any>;
+    open: CustomEvent<null>;
+    close: CustomEvent<null>;
     click: WindowEventMap["click"];
     mousedown: WindowEventMap["mousedown"];
   },

types/TooltipDefinition/TooltipDefinition.svelte.d.ts

@@ -43,8 +43,8 @@ export interface TooltipDefinitionProps
 export default class TooltipDefinition extends SvelteComponentTyped<
   TooltipDefinitionProps,
   {
-    open: CustomEvent<any>;
-    close: CustomEvent<any>;
+    open: CustomEvent<null>;
+    close: CustomEvent<null>;
     click: WindowEventMap["click"];
     mouseover: WindowEventMap["mouseover"];
     mouseenter: WindowEventMap["mouseenter"];

types/UIShell/HeaderSearch.svelte.d.ts

@@ -43,9 +43,9 @@ export interface HeaderSearchProps
 export default class HeaderSearch extends SvelteComponentTyped<
   HeaderSearchProps,
   {
-    active: CustomEvent<any>;
-    inactive: CustomEvent<any>;
-    clear: CustomEvent<any>;
+    active: CustomEvent<null>;
+    inactive: CustomEvent<null>;
+    clear: CustomEvent<null>;
     select: CustomEvent<{
       value: string;
       selectedResultIndex: number;

types/UIShell/SideNav/SideNav.svelte.d.ts

@@ -43,9 +43,9 @@ export interface SideNavProps
 export default class SideNav extends SvelteComponentTyped<
   SideNavProps,
   {
-    open: CustomEvent<any>;
-    close: CustomEvent<any>;
-    ["click:overlay"]: CustomEvent<any>;
+    open: CustomEvent<null>;
+    close: CustomEvent<null>;
+    ["click:overlay"]: CustomEvent<null>;
   },
   { default: {} }
 > {}