fix(android): detekt LongMethod on DiscoverScreen (63/60)

PullToRefreshScaffold addition in 4ca10e2 pushed the function 3
lines over. Extracted the inner Column body into a private
DiscoverBody helper composable.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

android/.idea/caches/deviceStreaming.xml

@@ -922,6 +922,18 @@
           <option name="screenX" value="2208" />
           <option name="screenY" value="1840" />
         </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="36" />
+          <option name="brand" value="google" />
+          <option name="codename" value="felix" />
+          <option name="id" value="felix" />
+          <option name="labId" value="google" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel Fold" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="2208" />
+          <option name="screenY" value="1840" />
+        </PersistentDeviceSelectionData>
         <PersistentDeviceSelectionData>
           <option name="api" value="33" />
           <option name="brand" value="google" />

android/.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

android/.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">