Passing some UI Defaults to loleaflet frame

These ui defaults determine some widget states
at the start of the document which is hidden or shown
Some of them such as Ruler Statusbar and Sidebar can be
hidden at start with this patch. If not set, collabora
online will assume they are true

Signed-off-by: Mert Tumer <mert.tumer@collabora.com>

src/document.js

@@ -176,7 +176,8 @@ const documentsMain = {
 
 			// form to post the access token for WOPISrc
 			const form = '<form id="loleafletform_viewer" name="loleafletform_viewer" target="loleafletframe_viewer" action="' + urlsrc + '" method="post">'
-				+ '<input name="access_token" value="' + accessToken + '" type="hidden"/></form>'
+				+ '<input name="access_token" value="' + accessToken + '" type="hidden"/>'
+				+ '<input name="ui_defaults" value="UIMode=notebookbar;TextRuler=false;TextStatusbar=true;TextSidebar=false;PresentationSidebar=false;PresentationStatusbar=true;SpreadsheetSidebar=false" type="hidden"/></form>'
 
 			// iframe that contains the Collabora Online Viewer
 			const frame = '<iframe id="loleafletframe_viewer" name="loleafletframe_viewer" nonce="' + btoa(getRequestToken()) + '" style="width:100%;height:100%;position:absolute;"/>'
@@ -225,7 +226,8 @@ const documentsMain = {
 
 			// form to post the access token for WOPISrc
 			var form = '<form id="loleafletform" name="loleafletform" target="loleafletframe" action="' + urlsrc + '" method="post">'
-				+ '<input name="access_token" value="' + accessToken + '" type="hidden"/></form>'
+				+ '<input name="access_token" value="' + accessToken + '" type="hidden"/>'
+				+ '<input name="ui_defaults" value="UIMode=notebookbar;TextRuler=true;TextStatusbar=true;TextSidebar=true;PresentationSidebar=true;PresentationStatusbar=true;SpreadsheetSidebar=true" type="hidden"/></form>'
 
 			// iframe that contains the Collabora Online
 			var frame = '<iframe id="loleafletframe" name="loleafletframe" nonce="' + btoa(getRequestToken()) + '" scrolling="no" allowfullscreen style="width:100%;height:100%;position:absolute;" />'