Avoid top-level await (#37272)

web_src/css/swagger-render.css

@@ -1,9 +1,5 @@
 @import "../../node_modules/swagger-ui-dist/swagger-ui.css";
 
-body {
-  margin: 0;
-}
-
 html,
 html body,
 html .swagger-ui,
@@ -15,27 +11,3 @@ html .swagger-ui .scheme-container {
 html.dark-mode .swagger-ui table.headers td {
   color: var(--color-text) !important;
 }
-
-.swagger-back-link {
-  color: var(--color-primary);
-  text-decoration: none;
-  position: absolute;
-  top: 1rem;
-  right: 1.5rem;
-  display: flex;
-  align-items: center;
-}
-
-.swagger-back-link:hover {
-  text-decoration: underline;
-}
-
-.swagger-back-link svg {
-  color: inherit;
-  fill: currentcolor;
-  margin-right: 0.5rem;
-}
-
-.swagger-spec-content {
-  display: none;
-}

web_src/css/swagger-standalone.css

@@ -0,0 +1,29 @@
+@import "swagger-render.css";
+
+body {
+  margin: 0;
+}
+
+.swagger-back-link {
+  color: var(--color-primary);
+  text-decoration: none;
+  position: absolute;
+  top: 1rem;
+  right: 1.5rem;
+  display: flex;
+  align-items: center;
+}
+
+.swagger-back-link:hover {
+  text-decoration: underline;
+}
+
+.swagger-back-link svg {
+  color: inherit;
+  fill: currentcolor;
+  margin-right: 0.5rem;
+}
+
+.swagger-spec-content {
+  display: none;
+}