feat: hoppscotch agent and agent interceptor (#4396)

Co-authored-by: CuriousCorrelation <CuriousCorrelation@gmail.com>
Co-authored-by: jamesgeorge007 <25279263+jamesgeorge007@users.noreply.github.com>

packages/hoppscotch-common/src/helpers/actions.ts

@@ -78,6 +78,7 @@ export type HoppAction =
   | "share.request" // Share REST request
   | "tab.duplicate-tab" // Duplicate REST request
   | "gql.request.open" // Open GraphQL request
+  | "agent.open-registration-modal" // Open Hoppscotch Agent registration modal
 
 /**
  * Defines the arguments, if present for a given type that is required to be passed on

packages/hoppscotch-common/src/helpers/lenses/lenses.ts

@@ -38,7 +38,10 @@ export function getSuitableLenses(response: HoppRESTResponse): Lens[] {
   )
     return []
 
-  const contentType = response.headers.find((h) => h.key === "content-type")
+  // Lowercase the content-type key because HTTP Headers are case-insensitive by spec
+  const contentType = response.headers.find(
+    (h) => h.key.toLowerCase() === "content-type"
+  )
 
   if (!contentType) return [rawLens]