DAP: disable all BPs on disconnected

DAP set breakpoints and on the disconnected timing they should be
removed, otherwise debugger try to send DAP request and fail it
because connection is already closed.

Author: ko1

lib/debug/server_dap.rb

@@ -361,6 +361,7 @@ def process
             end
           end
 
+          SESSION.clear_all_breakpoints
           send_response req
 
         ## control

lib/debug/session.rb

@@ -1386,6 +1386,10 @@ def clear_catch_breakpoints *exception_names
       end
     end
 
+    def clear_all_breakpoints
+      clear_breakpoints{true}
+    end
+
     def add_iseq_breakpoint iseq, **kw
       bp = ISeqBreakpoint.new(iseq, [:line], **kw)
       add_bp bp