[FIX] web_editor: make only one step when creating a link

Before this commit, creating a link through the link tool made two
steps instead of one.

task-3147819

closes odoo/odoo#113135

X-original-commit: d967c21b6abdccd45f3c767925de29e874497dd4
Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>

addons/web_editor/static/src/js/wysiwyg/wysiwyg.js

@@ -1217,6 +1217,7 @@ const Wysiwyg = Widget.extend({
             }
         } else {
             const historyStepIndex = this.odooEditor.historySize() - 1;
+            this.odooEditor.historyPauseSteps();
             let { link } = Link.getOrCreateLink({
                 containerNode: this.odooEditor.editable,
                 startNode: options.link,
@@ -1241,6 +1242,7 @@ const Wysiwyg = Widget.extend({
                     data.rel = 'ugc';
                 }
                 linkWidget.applyLinkToDom(data);
+                this.odooEditor.historyUnpauseSteps();
                 this.odooEditor.historyStep();
                 link = linkWidget.$link[0];
                 this.odooEditor.setContenteditableLink(linkWidget.$link[0]);
@@ -1255,6 +1257,7 @@ const Wysiwyg = Widget.extend({
                 Promise.resolve().then(() => link.focus());
             });
             linkDialog.on('closed', this, function () {
+                this.odooEditor.historyUnpauseSteps();
                 // If the linkDialog content has been saved
                 // the previous selection in not relevant anymore.
                 if (linkDialog.destroyAction !== 'save') {