fix: use same space between all elements

Signed-off-by: Vitor Mattos <[email protected]>

Author: vitormattos

src/Components/RightSidebar/RequestSignatureTab.vue

@@ -966,7 +966,7 @@ export default {
 }
 
 .action-form-box {
-	margin-top: 12px;
+	margin-top: 6px;
 }
 
 .iframe {