fix: do not trim stdout of clang-format process

Otherwise, it always causes a _no newline at the end of file_ problem.

Closes #1487

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

arduino-ide-extension/src/node/exec-util.ts

@@ -62,7 +62,7 @@ export function spawnCommand(
     });
     cp.on('exit', (code, signal) => {
       if (code === 0) {
-        const result = Buffer.concat(outBuffers).toString('utf8').trim();
+        const result = Buffer.concat(outBuffers).toString('utf8');
         resolve(result);
         return;
       }