command: Exit loop in TermCmd() after terminal call

Otherwise the last opened pane is closed instead of the active one.

internal/action/command.go

@@ -1121,6 +1121,7 @@ func (h *BufPane) TermCmd(args []string) {
 			} else {
 				term(i, false)
 			}
+			break
 		}
 	}
 }