[MM-58001] Fix an issue where the window position has a decimal number (#3017)

* [MM-58001] Fix an issue where the window position has a decimal number

* I accidentally a log

src/main/app/utils.test.js

@@ -166,6 +166,22 @@ describe('main/app/utils', () => {
             resizeScreen(browserWindow);
             expect(browserWindow.setPosition).toHaveBeenCalledWith(690, 410);
         });
+
+        it('should never return non-integer value', () => {
+            MainWindow.get.mockReturnValue({
+                getPosition: () => [450, 350],
+                getSize: () => [1280, 720],
+            });
+            const browserWindow = {
+                getPosition: () => [450, 350],
+                getSize: () => [1281, 721],
+                setPosition: jest.fn(),
+                center: jest.fn(),
+                once: jest.fn(),
+            };
+            resizeScreen(browserWindow);
+            expect(browserWindow.setPosition).toHaveBeenCalledWith(449, 349);
+        });
     });
 
     describe('migrateMacAppStore', () => {

src/main/app/utils.ts

@@ -155,8 +155,8 @@ function getNewWindowPosition(browserWindow: BrowserWindow) {
     const mainWindowPosition = mainWindow.getPosition();
 
     return [
-        mainWindowPosition[0] + ((mainWindowSize[0] - newWindowSize[0]) / 2),
+        Math.floor(mainWindowPosition[0] + ((mainWindowSize[0] - newWindowSize[0]) / 2)),
-        mainWindowPosition[1] + ((mainWindowSize[1] - newWindowSize[1]) / 2),
+        Math.floor(mainWindowPosition[1] + ((mainWindowSize[1] - newWindowSize[1]) / 2)),
     ];
 }