fix: sticky searchbar hidden in codemirror (#3351)

* fix: sticky search bar in codemirror

* chore: use tailwind classes

* chore: improve consistency across editor instances

---------

Co-authored-by: Liyas Thomas <liyascthomas@gmail.com>

packages/hoppscotch-common/src/components/graphql/Sidebar.vue

@@ -396,3 +396,9 @@ const copySchema = () => {
   copySchemaIcon.value = IconCheck
 }
 </script>
+
+<style lang="scss" scoped>
+:deep(.cm-panels) {
+  @apply top-sidebarPrimaryStickyFold #{!important};
+}
+</style>