[NRRPLT-8259] delete unnecessary cssing

src/components/dialog/error-dialog.css

@@ -9,8 +9,4 @@
 .modal-header{
   background-color: rgb(241, 185, 185);
   color: rgb(138, 41, 41);
-}
-
-.details{
-  clear: left;
 }
\ No newline at end of file

src/components/dialog/error-dialog.js

@@ -53,9 +53,9 @@ class ErrorDialog extends React.Component{
               <Modal.Body>
                 {error.message}
                 {this.state.isErrorSourceDisplayed
-                  ? <div className="details">
+                  ? <div>
                     {!error.code && !error.data && !error.stack
-                      ? <h6>No scary details</h6>
+                      ? <h6>{error.message</h6>
                       : null}
                     {this.state.error.code
                       ? <div><h6>Code</h6><pre>{this.state.error.code}</pre></div>