Make DHCP hosts reservation be full width

virtweb_frontend/src/widgets/forms/EditSection.tsx

@@ -2,10 +2,14 @@ import { Grid, Paper, Typography } from "@mui/material";
 import React, { PropsWithChildren } from "react";
 
 export function EditSection(
-  p: { title?: string; actions?: React.ReactElement } & PropsWithChildren
+  p: {
+    title?: string;
+    actions?: React.ReactElement;
+    fullWidth?: boolean;
+  } & PropsWithChildren
 ): React.ReactElement {
   return (
-    <Grid item sm={12} md={6}>
+    <Grid item sm={12} md={p.fullWidth ? 12 : 6}>
       <Paper style={{ margin: "10px", padding: "10px" }}>
         {(p.title || p.actions) && (
           <span