Revert "Disable keyboard selection for text by default"

This reverts commit 0035c359.

resources/qml/MatrixText.qml

@@ -15,10 +15,8 @@ TextEdit {
     textFormat: TextEdit.RichText
     readOnly: true
     focus: false
-    activeFocusOnPress: false
     wrapMode: Text.Wrap
     selectByMouse: !Settings.mobileMode
-    selectByKeyboard: false
     // this always has to be enabled, otherwise you can't click links anymore!
     //enabled: selectByMouse
     color: Nheko.colors.text