Parse permalink using parseMatrixEntityFrom.

Create new PermalinkData type for link to Events.
Keep matrixToConverter for now to first convert to matrix.to link. At some point it may be done by the SDK.
Remove parse(Uri)

samples/minimal/src/main/kotlin/io/element/android/samples/minimal/OnlyFallbackPermalinkParser.kt

@@ -24,8 +24,4 @@ class OnlyFallbackPermalinkParser : PermalinkParser {
     override fun parse(uriString: String): PermalinkData {
         return PermalinkData.FallbackLink(Uri.parse(uriString))
     }
-
-    override fun parse(uri: Uri): PermalinkData {
-        return PermalinkData.FallbackLink(uri)
-    }
 }