feat: oauth revamp + support for multiple grant types in oauth (#3885)

Co-authored-by: jamesgeorge007 <jamesgeorge998001@gmail.com>

packages/hoppscotch-cli/src/__tests__/samples/collections/secret-envs-coll.json

@@ -4,7 +4,7 @@
   "folders": [],
   "requests": [
     {
-      "v": "2",
+      "v": "3",
       "auth": { "authType": "none", "authActive": true },
       "body": { "body": null, "contentType": null },
       "name": "test-secret-headers",
@@ -23,7 +23,7 @@
       "preRequestScript": "const secretHeaderValueFromPreReqScript = pw.env.get(\"secretHeaderValue\")\npw.env.set(\"secretHeaderValueFromPreReqScript\", secretHeaderValueFromPreReqScript)"
     },
     {
-      "v": "2",
+      "v": "3",
       "auth": { "authType": "none", "authActive": true },
       "body": {
         "body": "{\n  \"secretBodyKey\": \"<<secretBodyValue>>\"\n}",
@@ -39,7 +39,7 @@
       "preRequestScript": "const secretBodyValueFromPreReqScript = pw.env.get(\"secretBodyValue\")\npw.env.set(\"secretBodyValueFromPreReqScript\", secretBodyValueFromPreReqScript)"
     },
     {
-      "v": "2",
+      "v": "3",
       "auth": { "authType": "none", "authActive": true },
       "body": { "body": null, "contentType": null },
       "name": "test-secret-query-params",
@@ -58,7 +58,7 @@
       "preRequestScript": "const secretQueryParamValueFromPreReqScript = pw.env.get(\"secretQueryParamValue\")\npw.env.set(\"secretQueryParamValueFromPreReqScript\", secretQueryParamValueFromPreReqScript)"
     },
     {
-      "v": "2",
+      "v": "3",
       "auth": {
         "authType": "basic",
         "password": "<<secretBasicAuthPassword>>",
@@ -76,7 +76,7 @@
       "preRequestScript": ""
     },
     {
-      "v": "2",
+      "v": "3",
       "auth": {
         "token": "<<secretBearerToken>>",
         "authType": "bearer",
@@ -95,7 +95,7 @@
       "preRequestScript": "const secretBearerToken = pw.env.get(\"secretBearerToken\")\npw.env.set(\"preReqSecretBearerToken\", secretBearerToken)"
     },
     {
-      "v": "2",
+      "v": "3",
       "auth": { "authType": "none", "authActive": true },
       "body": { "body": null, "contentType": null },
       "name": "test-secret-fallback",