allow environment variables in request body. (#1942)

* feat: allow environment variables in request body

* chore(ui): minor ui improvements

* chore(deps): bump

* fix: track env vars changes

* feat: allow environment variables in request body

* refactor: better implementation

Co-authored-by: liyasthomas <liyascthomas@gmail.com>
Co-authored-by: Andrew Bastin <andrewbastin.k@gmail.com>

packages/hoppscotch-app/helpers/utils/EffectiveURL.ts

@@ -1,7 +1,7 @@
 import { combineLatest, Observable } from "rxjs"
 import { map } from "rxjs/operators"
 import { FormDataKeyValue, HoppRESTRequest } from "../types/HoppRESTRequest"
-import parseTemplateString from "../templating"
+import { parseTemplateString, parseBodyEnvVariables } from "../templating"
 import { Environment, getGlobalVariables } from "~/newstore/environments"
 
 export interface EffectiveHoppRESTRequest extends HoppRESTRequest {
@@ -46,7 +46,7 @@ function getFinalBodyFromRequest(
       })
 
     return formData
-  } else return request.body.body
+  } else return parseBodyEnvVariables(request.body.body, env.variables)
 }
 
 /**