Double click on description (to select all text), when adding task, maximize the app

**Describe the bug**
as in the title

**To Reproduce**
1. Click "Add task"
2. Type something 
3. Double click to select all
4. Window maximize

**Expected behavior**
Select all text

**Desktop (please complete the following information):**
 - OS or DE: Fedora silverblue 43
 - Version [e.g. 0.1.2]: 4.15.2