update plugin id to match naming conventions

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

plugins/search-backend-module-elasticsearch/src/engines/ElasticSearchSearchEngine.ts

@@ -538,7 +538,7 @@ export type ElasticSearchEngineModuleOptions = {
 export const elasticSearchEngineModule = createBackendModule(
   (options?: ElasticSearchEngineModuleOptions) => ({
     moduleId: 'elasticSearchEngineModule',
-    pluginId: 'search-backend',
+    pluginId: 'search',
     register(env) {
       env.registerInit({
         deps: {

plugins/search-backend-module-pg/src/PgSearchEngine/PgSearchEngine.ts

@@ -252,7 +252,7 @@ export function encodePageCursor({ page }: { page: number }): string {
 
 export const pgSearchEngineModule = createBackendModule({
   moduleId: 'pgSearchEngineModule',
-  pluginId: 'search-backend',
+  pluginId: 'search',
   register(env) {
     env.registerInit({
       deps: {

plugins/search-backend-node/src/engines/LunrSearchEngine.ts

@@ -343,7 +343,7 @@ export function parseHighlightFields({
 
 export const lunrSearchEngineModule = createBackendModule({
   moduleId: 'lunrSearchEngineModule',
-  pluginId: 'search-backend',
+  pluginId: 'search',
   register(env) {
     env.registerInit({
       deps: {