Try avoiding trailing punctuation inside linkified URLs. (#4214)

Create `LinkfierHelper` and post-process URLSpans added to make sure they honor the actual URLs in text by removing unnecessarily added trailing punctuation.

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/ClickableLinkText.kt

@@ -147,6 +147,7 @@ fun AnnotatedString.linkify(linkStyle: SpanStyle): AnnotatedString {
             if (original.getLinkAnnotations(start, end).isEmpty() && original.getStringAnnotations("URL", start, end).isEmpty()) {
                 // Prevent linkifying domains in user or room handles (@user:domain.com, #room:domain.com)
                 if (start > 0 && !spannable[start - 1].isWhitespace()) continue
+
                 addStyle(
                     start = start,
                     end = end,