fix: Port upstream PRs #1038, #1037, #1045, #1019

- #1038 (partial): Add .erase() for consumed words in layoutAndExtractLines
  to fix redundant early flush bug; fix wordContinues flag in hyphenateWordAtIndex
- #1037: Add combining mark handling for hyphenation (NFC-like precomposition)
  and rendering (base glyph tracking in EpdFont, GfxRenderer including CCW)
- #1045: Shorten STR_FORGET_BUTTON labels across all 9 translation files
- #1019: Display file extensions in File Browser via getFileExtension helper
- Pull romanian.yaml from upstream/master (merged PR #987)

Co-authored-by: Cursor <cursoragent@cursor.com>

src/activities/home/MyLibraryActivity.cpp

@@ -196,6 +196,15 @@ std::string getFileName(std::string filename) {
   return filename.substr(0, pos);
 }
 
+std::string getFileExtension(std::string filename) {
+  if (filename.back() == '/') {
+    return "";
+  }
+  const auto pos = filename.rfind('.');
+  if (pos == std::string::npos) return "";
+  return filename.substr(pos);
+}
+
 void MyLibraryActivity::render(Activity::RenderLock&&) {
   renderer.clearScreen();
 
@@ -214,7 +223,8 @@ void MyLibraryActivity::render(Activity::RenderLock&&) {
     GUI.drawList(
         renderer, Rect{0, contentTop, pageWidth, contentHeight}, files.size(), selectorIndex,
         [this](int index) { return getFileName(files[index]); }, nullptr,
-        [this](int index) { return UITheme::getFileIcon(files[index]); });
+        [this](int index) { return UITheme::getFileIcon(files[index]); },
+        [this](int index) { return getFileExtension(files[index]); }, false);
   }
 
   // Help text