Minor visual fixes to input box

Adjust input size on the 'textChanged' event, preventing the scroll bar from appearing and the text box from lagging behind the text when hitting shift+enter

src/components/InputPanel/InputPanel.ts

@@ -232,6 +232,7 @@ export class InputPanel extends QWidget {
     input.addEventListener(WidgetEventTypes.DragEnter, this.handleDrag.bind(this));
     input.addEventListener(WidgetEventTypes.KeyPress, this.handleKeyPress.bind(this));
     input.addEventListener(WidgetEventTypes.KeyRelease, this.handleKeyRelease.bind(this));
+    input.addEventListener('textChanged', this.adjustInputSize.bind(this));
 
     rootLayout.addWidget(addBtn);
     rootLayout.addWidget(input, 1);