fix: UX improvements project creation modal (#95856)

Author: priscilawebdev

static/app/components/modals/projectCreationModal.tsx

@@ -53,12 +53,14 @@ export default function ProjectCreationModal({
   const organization = useOrganization();
 
   function handlePlatformChange(selectedPlatform: Platform | null) {
-    if (selectedPlatform) {
-      setPlatform({
-        ...omit(selectedPlatform, 'id'),
-        key: selectedPlatform.id,
-      });
+    if (!selectedPlatform) {
+      setPlatform(undefined);
+      return;
     }
+    setPlatform({
+      ...omit(selectedPlatform, 'id'),
+      key: selectedPlatform.id,
+    });
   }
 
   const createProject = useCallback(async () => {
@@ -132,15 +134,12 @@ export default function ProjectCreationModal({
       </Header>
       {step === 0 && (
         <Fragment>
-          <Subtitle>Choose a Platform</Subtitle>
+          <Subtitle>{t('Choose a Platform')}</Subtitle>
           <PlatformPicker
-            defaultCategory={defaultCategory}
+            defaultCategory={platform?.category ?? defaultCategory}
             setPlatform={handlePlatformChange}
             organization={organization}
             platform={platform?.key}
-            showFilterBar={false}
-            navClassName="centered"
-            listClassName="centered"
           />
         </Fragment>
       )}