Wizard: Refactor Minimum Size input in File system step to use new component

This commit refactors the Minimun size field by replacing HookValidatedInput with the new ValidatedInputAndTextArea component.
It fixes a bug where the error icon remained visible after the user cleared the value in the field.

src/Components/CreateImageWizard/ValidatedInput.tsx

@@ -48,6 +48,7 @@ type ValidationInputProp = TextInputProps &
       value: string
     ) => void;
     isRequired?: boolean;
+    warning?: string;
   };
 
 type ErrorMessageProps = {
@@ -66,6 +67,7 @@ export const ValidatedInputAndTextArea = ({
   ariaLabel,
   inputType = 'textInput',
   isRequired,
+  warning = undefined,
 }: ValidationInputProp) => {
   const errorMessage = stepValidation.errors[fieldName] || '';
   const hasError = errorMessage !== '';
@@ -108,6 +110,13 @@ export const ValidatedInputAndTextArea = ({
           data-testid={dataTestId}
         />
       )}
+      {warning !== undefined && warning !== '' && (
+        <HelperText>
+          <HelperTextItem variant="warning" hasIcon>
+            {warning}
+          </HelperTextItem>
+        </HelperText>
+      )}
       {hasError && <ErrorMessage errorMessage={errorMessage} />}
     </>
   );

src/Components/CreateImageWizard/steps/FileSystem/FileSystemTable.tsx

@@ -33,7 +33,7 @@ import {
   selectPartitions,
 } from '../../../../store/wizardSlice';
 import { useFilesystemValidation } from '../../utilities/useValidation';
-import { HookValidatedInput } from '../../ValidatedInput';
+import { ValidatedInputAndTextArea } from '../../ValidatedInput';
 
 export const FileSystemContext = React.createContext<boolean>(true);
 
@@ -253,7 +253,7 @@ const MinimumSize = ({ partition }: MinimumSizePropTypes) => {
   const stepValidation = useFilesystemValidation();
 
   return (
-    <HookValidatedInput
+    <ValidatedInputAndTextArea
       ariaLabel="minimum partition size"
       value={partition.min_size}
       isDisabled={partition.unit === 'B'}
@@ -266,6 +266,7 @@ const MinimumSize = ({ partition }: MinimumSizePropTypes) => {
       ouiaId="size"
       stepValidation={stepValidation}
       fieldName={`min-size-${partition.id}`}
+      placeholder="File system"
       onChange={(event, minSize) => {
         if (minSize === '' || /^\d+$/.test(minSize)) {
           dispatch(

src/Components/CreateImageWizard/utilities/useValidation.tsx

@@ -166,7 +166,10 @@ export function useFilesystemValidation(): StepValidation {
 
   const duplicates = getDuplicateMountPoints(partitions);
   for (const partition of partitions) {
-    if (!isMountpointMinSizeValid(partition.min_size)) {
+    if (partition.min_size === '') {
+      errors[`min-size-${partition.id}`] = 'partition size is required';
+      disabledNext = true;
+    } else if (!isMountpointMinSizeValid(partition.min_size)) {
       errors[`min-size-${partition.id}`] = 'Must be larger than 0';
       disabledNext = true;
     }