FIX: Respect invalidate_oneboxes option for inline oneboxes

app/assets/javascripts/pretty-text/engines/discourse-markdown/onebox.js.es6

@@ -100,7 +100,7 @@ function applyOnebox(state, silent) {
               let options = state.md.options.discourse;
 
               if (options.lookupInlineOnebox) {
-                onebox = options.lookupInlineOnebox(href);
+                onebox = options.lookupInlineOnebox(href, options.invalidateOneboxes);
               }
 
               if (onebox && onebox.title) {

app/assets/javascripts/pretty-text/pretty-text.js.es6

@@ -31,7 +31,8 @@ export function buildOptions(state) {
     previewing,
     linkify,
     censoredWords,
-    mentionLookup
+    mentionLookup,
+    invalidateOneboxes
   } = state;
 
   let features = {
@@ -80,7 +81,8 @@ export function buildOptions(state) {
     markdownIt: true,
     injectLineNumbersToPreview:
       siteSettings.enable_advanced_editor_preview_sync,
-    previewing
+    previewing,
+    invalidateOneboxes
   };
 
   // note, this will mutate options due to the way the API is designed