Responses change for two actions (#2103)

* Updated iconBrandColor in apiProperties.json

* Updated API Swagger Definition file

* Updated swagger and readme file

* updates in swagger and readme

* swagger and readme update

* two responses changed

Co-authored-by: MohsinAQ <90461565+MohsinAQ@users.noreply.github.com>

certified-connectors/Power Textor/apiDefinition.swagger.json

@@ -3226,7 +3226,12 @@
           "400": {
             "description": "error",
             "schema": {
-              "type": "string"
+              "type": "object",
+              "properties": {
+                "Error": {
+                  "type": "string"
+                }
+              }
             }
           }
         },
@@ -6916,7 +6921,12 @@
           "400": {
             "description": "error",
             "schema": {
-              "type": "string"
+              "type": "object",
+              "properties": {
+                "Error": {
+                  "type": "string"
+                }
+              }
             }
           }
         },