manager: Add action.sh for user to manually trigger modules' functionality from manager (#2156)

Commits:
- manager: Add `action.sh` for user to manually trigger modules'
functionality from manager
- manager: Optimize ModuleItem
- manager: uninstall button: TextButton -> FilledTonalButton
- Optimize `run_action` function

Commit Author & Thank:
- @lightsummer233
- @lingqiqi5211
- [APatch](https://github.com/bmax121/APatch)

Demo Show:

![image](https://github.com/user-attachments/assets/a5778a86-fa60-485f-ac49-2b581711f60e)

---------

Co-authored-by: Light summer <93428659+lightsummer233@users.noreply.github.com>

userspace/ksud/src/defs.rs

@@ -30,6 +30,7 @@ pub const SYSTEM_RW_DIR: &str = concatcp!(MODULE_DIR, ".rw/");
 
 pub const TEMP_DIR: &str = "/debug_ramdisk";
 pub const MODULE_WEB_DIR: &str = "webroot";
+pub const MODULE_ACTION_SH: &str = "action.sh";
 pub const DISABLE_FILE_NAME: &str = "disable";
 pub const UPDATE_FILE_NAME: &str = "update";
 pub const REMOVE_FILE_NAME: &str = "remove";