fix: count time on 0s when sending all to p2pool for one decision

Also fix the wrong hover text saying time until switching to XvB where
it should say time until next decision.

src/helper/xvb/mod.rs

@@ -853,7 +853,7 @@ fn update_indicator_algo(
     {
         let node = pub_api.lock().unwrap().current_node;
         let msg_indicator = match node {
-            Some(XvbNode::P2pool) if time_donated > 0 => {
+            Some(XvbNode::P2pool) if time_donated > 0 && time_donated != XVB_TIME_ALGO => {
                 // algo is mining on p2pool but will switch to XvB after
                 // show time remaining on p2pool