Change search button msg key to `searchbutton`

Bug: T280405
Change-Id: Iea3bf40be029eaa330101b7b9a1bdea191d71416

resources/skins.vector.search/App.vue

@@ -4,14 +4,14 @@
 		ref="searchForm"
 		:client="getClient"
 		:domain="domain"
-		:footer-search-text="$i18n('searchsuggest-containing').text()"
-		:suggestions-label="$i18n('searchresults').text()"
+		:footer-search-text="$i18n( 'searchsuggest-containing' ).text()"
+		:suggestions-label="$i18n( 'searchresults' ).text()"
 		:accesskey="searchAccessKey"
 		:title="searchTitle"
 		:placeholder="searchPlaceholder"
 		:aria-label="searchPlaceholder"
 		:initial-input-value="searchQuery"
-		:button-label="$i18n( 'search' ).text()"
+		:button-label="$i18n( 'searchbutton' ).text()"
 		:form-action="action"
 		:search-language="language"
 		:show-thumbnail="showThumbnail"

skin.json

@@ -92,7 +92,7 @@
 				}
 			],
 			"messages": [
-				"search",
+				"searchbutton",
 				"searchresults",
 				"searchsuggest-containing"
 			]