Prompt modifyed for MikroTik

Prompt regex for MikroTik generates so it matches only if prompt string is found in the end of string (no more printable symbols were printed after it).

netmiko/mikrotik/mikrotik_ssh.py

@@ -62,6 +62,20 @@ def disable_paging(self, *args: Any, **kwargs: Any) -> str:
         """Mikrotik does not have paging by default."""
         return ""
 
+    def _prompt_handler(self, auto_find_prompt: bool) -> str:
+        """Prompt regex for MikroTik generates so it matches
+        only if prompt string is found in the end of string
+        (no more printable symbols were printed after it)
+        """
+        if auto_find_prompt:
+            try:
+                prompt = self.find_prompt()
+            except ValueError:
+                prompt = self.base_prompt
+        else:
+            prompt = self.base_prompt
+        return re.escape(prompt.strip()) + r"[ \t]*$"
+
     def strip_prompt(self, a_string: str) -> str:
         """Strip the trailing router prompt from the output.