Normalize disk size input

virtweb_frontend/src/widgets/forms/DiskSizeInput.tsx

@@ -2,13 +2,14 @@ import { ServerApi } from "../../api/ServerApi";
 import { TextInput } from "./TextInput";
 
 export function DiskSizeInput(p: {
+  editable: boolean;
   label?: string;
   value: number;
-  onChange: (size: number) => void;
+  onChange?: (size: number) => void;
 }): React.ReactElement {
   return (
     <TextInput
-      editable={true}
+      editable={p.editable}
       label={p.label ?? "Disk size (GB)"}
       size={{
         min: ServerApi.Config.constraints.disk_size.min / (1000 * 1000 * 1000),

virtweb_frontend/src/widgets/forms/VMDisksList.tsx

@@ -195,6 +195,7 @@ function DiskInfo(p: {
         {/* New disk size*/}
         {p.disk.resize && !p.disk.deleteType && (
           <DiskSizeInput
+            editable
             label="New disk size (GB)"
             value={p.disk.size}
             onChange={(v) => {
@@ -281,6 +282,7 @@ function DiskInfo(p: {
       {/* Disk size */}
       {(!p.disk.from_image || p.disk.resize === true) && (
         <DiskSizeInput
+          editable
           value={p.disk.size}
           onChange={(v) => {
             p.disk.size = v;