Fix(folder provider): display pojav version

This allows the sort to be stable when listing pojav versions in the file app.

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/scoped/FolderProvider.java

@@ -16,6 +16,7 @@
 
 import androidx.annotation.Nullable;
 
+import net.kdt.pojavlaunch.BuildConfig;
 import net.kdt.pojavlaunch.R;
 import net.kdt.pojavlaunch.Tools;
 
@@ -76,10 +77,15 @@ public Cursor queryRoots(String[] projection) {
         final MatrixCursor result = new MatrixCursor(projection != null ? projection : DEFAULT_ROOT_PROJECTION);
         final String applicationName = getContext().getString(R.string.app_short_name);
 
+        String summary = BuildConfig.VERSION_NAME;
+        if (BuildConfig.DEBUG) {
+            summary = "(" + getContext().getString(R.string.generic_debug) + ") " + summary;
+        }
+
         final MatrixCursor.RowBuilder row = result.newRow();
         row.add(Root.COLUMN_ROOT_ID, getDocIdForFile(BASE_DIR));
         row.add(Root.COLUMN_DOCUMENT_ID, getDocIdForFile(BASE_DIR));
-        row.add(Root.COLUMN_SUMMARY, null);
+        row.add(Root.COLUMN_SUMMARY, summary);
         row.add(Root.COLUMN_FLAGS, Root.FLAG_SUPPORTS_CREATE | Root.FLAG_SUPPORTS_SEARCH | Root.FLAG_SUPPORTS_IS_CHILD);
         row.add(Root.COLUMN_TITLE, applicationName);
         row.add(Root.COLUMN_MIME_TYPES, ALL_MIME_TYPES);

app_pojavlauncher/src/main/res/values/strings.xml

@@ -323,6 +323,7 @@
 
     <string name="generic_install">Install</string>
     <string name="generic_apply">Apply</string>
+    <string name="generic_debug">Debug</string>
 
     <string name="search_modpack_no_result">No modpacks found</string>
     <string name="search_modpack_error">Failed to find modpacks</string>