manager: Fix save log (#2170)

https://github.com/user-attachments/assets/69467e00-0af9-4d46-add8-e24e767462bd

Use `ContextCompat` in `DownloadListener`
Bump ksp to `2.0.21-1.0.26`
Misc changes (See the
[commit](1fb49d918a)
directly)

manager/app/src/main/res/values/strings.xml

@@ -132,4 +132,5 @@
     <string name="flash_failed">Flash failed</string>
     <string name="selected_lkm">Selected LKM: %s</string>
     <string name="save_log">Save logs</string>
+    <string name="log_saved">Logs saved</string>
 </resources>