Update display_during_execution

Author: YishiMichael

manimlib/utils/tex_file_writing.py

@@ -126,6 +126,8 @@ def dvi_to_svg(dvi_file, regen_if_exists=False):
 def display_during_execution(message):
     # Only show top line
     to_print = message.split("\n")[0]
+    if len(to_print) > 80:
+        to_print = to_print[:77] + "..."
     try:
         print(to_print, end="\r")
         yield