feat(addresses): improve address labeling and view-only handling

- Add expanded address icon picker with search, bottom-aligned actions, and improved modal sizing
- Embed a pickaxe icon font subset and wire it into typography/address icon rendering
- Track view-only shielded addresses and prevent sends from non-spendable z-addresses
- Improve address transfer dialog sizing, max amount handling, and text clipping
- Tune main header layout values in ui.toml
- Update README, codebase overview, and third-party license documentation

CMakeLists.txt

@@ -433,6 +433,7 @@ set_source_files_properties(
 ${CMAKE_SOURCE_DIR}/res/fonts/Ubuntu-Light.ttf;\
 ${CMAKE_SOURCE_DIR}/res/fonts/Ubuntu-Medium.ttf;\
 ${CMAKE_SOURCE_DIR}/res/fonts/MaterialIcons-Regular.ttf;\
+${CMAKE_SOURCE_DIR}/res/fonts/MaterialDesignIcons-Pickaxe-Subset.ttf;\
 ${CMAKE_SOURCE_DIR}/res/fonts/NotoSansCJK-Subset.ttf"
 )