[WASM] TextBox text selection behaves differently between WinUI and WASM about uno

[Youssef1313]

To clarify, the normal native behavior is actually that the text should scroll correctly. However, somehow this is not happening in our case. My first thought was that we are preventing the default behavior somewhere, so I went ahead and commented out all preventDefault usages in our code to see if it makes a difference, but still, we didn't get the desired native behavior.

It's likely something to fix on our side, but it's unclear to me why we are not getting the expected native behavior.

[MartinZikmund]

@darenm As @Youssef1313 investigated this, it seems that this behavior is currently not possible to influence from our side, as it is the built-in scrolling behavior of the browser. A workaround could be to keep the text entries wide enough so that the scrolling is not necessary, but apart from it seems very tricky to adjust.

[MartinZikmund]

@darenm found the reason behind this, PR in progress

[darenm]

@MartinZikmund That's excellent news.

[darenm]

@jeromelaban can we back port this to 5.2?