Refactor auth module.

- Switch from form to text field for passphrase input.
- Refactor error dialog format.
- Send dialog on incorrect parsing of private key.
- Refactor block sync service to take parameters.

src/app/shared/error-dialog/error-dialog.component.html

@@ -3,9 +3,6 @@
     <p>
       Message: {{ data.message }}
     </p>
-    <p>
-      Reason: {{ data.reason }}
-    </p>
     <p>
       Status: {{ data.status }}
     </p>

src/app/shared/error-dialog/error-dialog.component.ts

@@ -9,6 +9,6 @@ import {MAT_DIALOG_DATA} from '@angular/material/dialog';
 })
 export class ErrorDialogComponent {
 
-  constructor(@Inject(MAT_DIALOG_DATA) public data: string) { }
+  constructor(@Inject(MAT_DIALOG_DATA) public data: any) { }
 
 }