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/http/PreRequestScript.vue

@@ -110,3 +110,9 @@ const clearContent = () => {
   preRequestScript.value = ""
 }
 </script>
+
+<style lang="scss" scoped>
+:deep(.cm-panels) {
+  @apply top-upperTertiaryStickyFold #{!important};
+}
+</style>