Bug 1805669 - Show a button next to deletable suggestions added by extensions r=adw

Differential Revision: https://phabricator.services.mozilla.com/D164675

browser/components/urlbar/UrlbarProviderOmnibox.sys.mjs

@@ -67,11 +67,11 @@ class ProviderOmnibox extends UrlbarProvider {
    *   Whether the result was blocked.
    */
   blockResult(queryContext, result) {
-    if (result.payload.deletable) {
+    if (result.payload.isBlockable) {
       lazy.ExtensionSearchHandler.handleInputDeleted(result.payload.title);
     }
 
-    return result.payload.deletable;
+    return result.payload.isBlockable;
   }
 
   /**
@@ -179,7 +179,7 @@ class ProviderOmnibox extends UrlbarProvider {
                   queryContext.tokens[0].value,
                   UrlbarUtils.HIGHLIGHT.TYPED,
                 ],
-                deletable: suggestion.deletable,
+                isBlockable: suggestion.deletable,
                 icon: UrlbarUtils.ICON.EXTENSION,
               }
             )

browser/components/urlbar/UrlbarUtils.sys.mjs

@@ -1643,12 +1643,12 @@ UrlbarUtils.RESULT_PAYLOAD_SCHEMA = {
       content: {
         type: "string",
       },
-      deletable: {
-        type: "boolean",
-      },
       icon: {
         type: "string",
       },
+      isBlockable: {
+        type: "boolean",
+      },
       keyword: {
         type: "string",
       },