chore: minimize app size

package.json

@@ -18,8 +18,6 @@
     "@emotion/styled": "^11.11.0",
     "@mui/icons-material": "^5.14.16",
     "@mui/material": "^5.14.16",
-    "@mui/styled-engine-sc": "^6.0.0-alpha.4",
-    "@mui/styles": "^5.14.16",
     "@testing-library/jest-dom": "^5.17.0",
     "cross-env": "^7.0.3",
     "electron-is-dev": "^2.0.0",
@@ -31,7 +29,6 @@
     "react-scripts": "5.0.1",
     "sass": "^1.69.5",
     "sharp": "^0.33.2",
-    "styled-components": "^6.1.8",
     "web-vitals": "^2.1.4"
   },
   "scripts": {

src/components/NavBar/NavBar.jsx

@@ -2,7 +2,7 @@ import React from "react";
 
 import QrCodeIcon from "@mui/icons-material/QrCode";
 import IconButton from "@mui/material/IconButton";
-import LocalLibraryIcon from "@mui/icons-material/LocalLibrary";
+import AbcIcon from "@mui/icons-material/Abc";
 import SmartButtonIcon from "@mui/icons-material/SmartButton";
 import CompareIcon from "@mui/icons-material/Compare";
 import JavascriptIcon from "@mui/icons-material/Javascript";
@@ -43,7 +43,7 @@ const NavBar = () => {
         {({ isActive }) => (
           <Tooltip title="Lorem Ipsum Generator" placement="right">
             <IconButton aria-label="Lorem Ipsum Generator">
-              <LocalLibraryIcon className={isIconSelected(isActive)} />
+              <AbcIcon className={isIconSelected(isActive)} />
             </IconButton>
           </Tooltip>
         )}

src/components/Table/QRContentTable.jsx

@@ -164,11 +164,8 @@ const QRContentTable = ({ rows, handleRows }) => {
                   </TableCell>
                 )}
                 <TableCell align="left">
-                  <IconButton aria-label="saveAs">
-                    <SaveAsIcon
-                      aria-label="saveAs"
-                      onClick={handleSaveAs(row)}
-                    />
+                  <IconButton aria-label="saveAs" onClick={handleSaveAs(row)}>
+                    <SaveAsIcon />
                   </IconButton>
                   <IconButton
                     aria-label="preview"