fixing

packages/sn-document-viewer-react/package.json

@@ -59,7 +59,7 @@
     "@babel/preset-env": "^7.15.0",
     "@babel/preset-react": "^7.14.5",
     "@babel/preset-typescript": "^7.15.0",
-    "@material-ui/core": "~4.12.3",
+    "@material-ui/core": "~4.11.4",
     "@rollup/plugin-babel": "^5.3.0",
     "@rollup/plugin-commonjs": "^20.0.0",
     "@rollup/plugin-image": "^2.1.1",

yarn.lock

@@ -3173,24 +3173,6 @@
     react-is "^16.8.0 || ^17.0.0"
     react-transition-group "^4.4.0"
 
-"@material-ui/core@~4.12.3":
-  version "4.12.3"
-  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-4.12.3.tgz#80d665caf0f1f034e52355c5450c0e38b099d3ca"
-  integrity sha512-sdpgI/PL56QVsEJldwEe4FFaFTLUqN+rd7sSZiRCdx2E/C7z5yK0y/khAWVBH24tXwto7I1hCzNWfJGZIYJKnw==
-  dependencies:
-    "@babel/runtime" "^7.4.4"
-    "@material-ui/styles" "^4.11.4"
-    "@material-ui/system" "^4.12.1"
-    "@material-ui/types" "5.1.0"
-    "@material-ui/utils" "^4.11.2"
-    "@types/react-transition-group" "^4.2.0"
-    clsx "^1.0.4"
-    hoist-non-react-statics "^3.3.2"
-    popper.js "1.16.1-lts"
-    prop-types "^15.7.2"
-    react-is "^16.8.0 || ^17.0.0"
-    react-transition-group "^4.4.0"
-
 "@material-ui/icons@^4.11.2":
   version "4.11.2"
   resolved "https://registry.yarnpkg.com/@material-ui/icons/-/icons-4.11.2.tgz#b3a7353266519cd743b6461ae9fdfcb1b25eb4c5"
@@ -3243,7 +3225,7 @@
     jss-plugin-vendor-prefixer "^10.5.1"
     prop-types "^15.7.2"
 
-"@material-ui/system@^4.11.3", "@material-ui/system@^4.12.1":
+"@material-ui/system@^4.11.3":
   version "4.12.1"
   resolved "https://registry.yarnpkg.com/@material-ui/system/-/system-4.12.1.tgz#2dd96c243f8c0a331b2bb6d46efd7771a399707c"
   integrity sha512-lUdzs4q9kEXZGhbN7BptyiS1rLNHe6kG9o8Y307HCvF4sQxbCgpL2qi+gUk+yI8a2DNk48gISEQxoxpgph0xIw==