fixed the composing text not appearing when pressing 1-key to type punctuation in 123 mode in non-numeric fields (it only appeared after scrolling)

app/src/main/java/io/github/sspanak/tt9/ime/modes/Mode123.java

@@ -17,6 +17,7 @@ public class Mode123 extends ModePassthrough {
 
 	@Override public final boolean is123() { return true; }
 	@Override public boolean isPassthrough() { return false; }
+	@Override public int getSequenceLength() { return digitSequence.length(); }
 	@Override public boolean shouldAcceptPreviousSuggestion(int nextKey) { return true; }
 
 	private final ArrayList<ArrayList<String>> KEY_CHARACTERS = new ArrayList<>();