patch 8.0.0870: mouse escape codes sent to terminal unintentionally

Problem:    Mouse escape codes sent to terminal unintentionally.
Solution:   Fix libvterm to send mouse codes only when enabled.

src/libvterm/src/mouse.c

@@ -86,6 +86,8 @@ void vterm_mouse_button(VTerm *vt, int button, int pressed, VTermModifier mod)
   /* Most of the time we don't get button releases from 4/5 */
   if(state->mouse_buttons == old_buttons && button < 4)
     return;
+  if (!(state->mouse_flags & MOUSE_WANT_CLICK))
+    return;
 
   if(button < 4) {
     output_mouse(state, button-1, pressed, mod, state->mouse_col, state->mouse_row);

src/terminal.c

@@ -37,7 +37,6 @@
  *
  * TODO:
  * - MS-Windows: no redraw for 'updatetime'  #1915
- * - in bash mouse clicks are inserting characters.
  * - mouse scroll: when over other window, scroll that window.
  * - add argument to term_wait() for waiting time.
  * - For the scrollback buffer store lines in the buffer, only attributes in

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    870,
 /**/
     869,
 /**/