\documentclass[aspectratio=169]{beamer}
\usepackage{braket}
\usepackage{wrapfig}
\usepackage{commath}
%\usepackage{braket}
\usepackage{physics}
\usepackage{amsmath,amssymb,amsfonts,scalerel,stackengine}
\usepackage{mathpazo}
\usepackage{subcaption}
\usepackage{multicol}
\usepackage{mathtools}
\usepackage[makeroom]{cancel}
\usepackage{lipsum}

%\usepackage{sectsty}
\usepackage[export]{adjustbox}
\usetheme{Boadilla}
\usefonttheme[onlymath]{serif} 
\setbeamertemplate{navigation symbols}{}
\usepackage{graphicx}
% NOTE: use biber and cite with \footfullcite{key}
\usepackage{biblatex}
\usepackage{amsmath}
\usepackage{ulem}
\addbibresource{bibliography.bib}
\setbeamertemplate{footline}
{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot} \insertshortdate{}%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.6\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.2\paperwidth,ht=2.25ex,dp=1ex,center]{date in head/foot}%
 
    \insertframenumber{} / \inserttotalframenumber\hspace*{1ex}
  \end{beamercolorbox}}%
  \vskip0pt%
}
\renewcommand{\footnotesize}{\tiny}
\title{Dummy Title}
\date{Date}

\setbeamercolor{normal text}{fg=black}
\begin{document}

\begin{frame}[plain]
    \titlepage
\end{frame}

\begin{frame}{Dummy Page}
    \begin{block}
        {Dummy Block}
        \lipsum[1]
    \end{block}
\end{frame}


\end{document}