fix(core): preserve trailing newlines in shell execution#23705

Aaxhirrr wants to merge 3 commits intogoogle-gemini:maingoogle-gemini/gemini-cli:mainfrom

Aaxhirrr:fix/shell-trailing-newline-20755Aaxhirrr/gemini-cli:fix/shell-trailing-newline-20755Copy head branch name to clipboard