suppress browsers' password autocomplete for document passwords

www/common/common-interface.js

@@ -867,7 +867,8 @@ define([
     UI.passwordInput = function (opts, displayEye) {
         opts = opts || {};
         var attributes = merge({
-            type: 'password'
+            type: 'password',
+            autocomplete: 'new-password', // https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/autocomplete#values
         }, opts);
 
         var input = h('input.cp-password-input', attributes);

www/settings/inner.js

@@ -579,7 +579,8 @@ define([
         var form = h('div', [
             UI.passwordInput({
                 id: 'cp-settings-change-password-current',
-                placeholder: Messages.settings_changePasswordCurrent
+                placeholder: Messages.settings_changePasswordCurrent,
+                autocomplete: 'current-password',
             }, true),
             h('br'),
             UI.passwordInput({