Show required setting on one line

www/form/app-form.less

@@ -398,6 +398,16 @@
                                 color: @cryptpad_color_link;
                             }
                         }
+                        .cp-form-required-radio {
+                            flex-direction: row;
+                            display: flex;
+                            span {
+                                margin-right: 10px;
+                                &.cp-radio-mark {
+                                    margin-right: 5px;
+                                }
+                            }
+                        }
                         .cp-form-page-break-edit {
                             font-size: 20px;
                             text-align: center;

www/form/inner.js

@@ -2603,8 +2603,9 @@ define([
             Messages.form_preview = "Preview:"; // XXX
             var previewDiv = h('div.cp-form-preview', Messages.form_preview);
 
-            Messages.form_required_on = "Required answer";
-            Messages.form_required_off = "Optional answer";
+            Messages.form_required_answer = "Answer: "
+            Messages.form_required_on = "required";
+            Messages.form_required_off = "optional";
             // Required radio displayed only for types that have an "isEmpty" function
             var requiredDiv;
             if (APP.isEditor && !isStatic && data.isEmpty) {
@@ -2618,7 +2619,11 @@ define([
                         Messages.form_required_off, !isRequired, {
                             input: { value: 0 },
                         });
-                var radioContainer = h('div.cp-form-required-radio', [radioOn, radioOff]);
+                var radioContainer = h('div.cp-form-required-radio', [
+                    h('span', Messages.form_required_answer),
+                    radioOff,
+                    radioOn
+                ]);
                 requiredDiv = h('div.cp-form-required', [
                     radioContainer
                 ]);