Various improvements (#614)

- Auto-select widgets in Launcher and apps with toolbars on devices without touch.
- Improved USB HID input reliability, cleanup
- Updated PSRAM settings to improve boot stability on supported devices.
- Prevented duplicate Wi-Fi event subscriptions during screen rebuilds.
- Updated docs
- Fixes in WifiManage and WifiConnect
- Reduced main task stack size
- Moved USB HID stack size to PSRAM when available
- app_manager_find_manifest() now returns a copy instead of a pointer

Tactility/Source/app/boot/Boot.cpp

@@ -149,7 +149,8 @@ std::string getLauncherAppId() {
     }
 
     // If the app in the boot.properties does not exist, return default
-    if (app_manager_find_manifest(boot_properties.launcherAppId.c_str()) == nullptr) {
+    AppManifest manifest;
+    if (app_manager_find_manifest(boot_properties.launcherAppId.c_str(), &manifest) != ERROR_NONE) {
         LOG_E(TAG, "Launcher app %s not found", boot_properties.launcherAppId.c_str());
         return CONFIG_TT_LAUNCHER_APP_ID;
     }