fix(wm): check height for cross-monitor focus idx

This commit is an example of how it may be possible to have height-aware
cross-monitor focus movements. I am not able to test this code as I
don't have enough monitors to replicate the issue in #447.

re #447

komorebi/src/process_command.rs

@@ -703,10 +703,12 @@ impl WindowManager {
                                     if let Layout::Custom(ref mut custom) = rule.1 {
                                         match sizing {
                                             Sizing::Increase => {
-                                                custom.set_primary_width_percentage(percentage + 5.0);
+                                                custom
+                                                    .set_primary_width_percentage(percentage + 5.0);
                                             }
                                             Sizing::Decrease => {
-                                                custom.set_primary_width_percentage(percentage - 5.0);
+                                                custom
+                                                    .set_primary_width_percentage(percentage - 5.0);
                                             }
                                         }
                                     }

komorebi/src/window_manager.rs

@@ -309,12 +309,20 @@ impl WindowManager {
             match direction {
                 OperationDirection::Left => {
                     if monitor.size().left + monitor.size().right == current_monitor_size.left {
+                        if current_monitor_size.top > monitor.size().bottom {
+                            continue;
+                        }
+
                         return Option::from(idx);
                     }
                 }
                 OperationDirection::Right => {
                     if current_monitor_size.right + current_monitor_size.left == monitor.size().left
                     {
+                        if current_monitor_size.top > monitor.size().bottom {
+                            continue;
+                        }
+
                         return Option::from(idx);
                     }
                 }
@@ -1040,7 +1048,7 @@ impl WindowManager {
             .get_mut(first_idx)
             .ok_or_else(|| anyhow!("There is no monitor"))?
             .remove_workspaces();
-        
+
         let second_workspaces = self
             .monitors_mut()
             .get_mut(second_idx)