Properly display Signer errors (Snackbar display popup) (#7053)

* Update to fixed @parity/ui (Errors component)

* Update ParityBar radius to align with Snackbar/Errors

* Update to latest @parity/ui

* Update dependencies @parity/signer-plugin-*

* Really pull in @parity/signer-plugin-* deps

js/package.json

@@ -27,7 +27,7 @@
     "build:embed": "cross-env EMBED=1 node webpack/embed",
     "build:i18n": "npm run clean && npm run build && babel-node ./scripts/build-i18n.js",
     "ci:build": "cross-env NODE_ENV=production npm run build",
-    "clean": "rimraf ./.build ./.coverage ./.happypack ./build ./node_modules/.cache",
+    "clean": "rimraf ./.build ./.coverage ./.happypack ./build",
     "coveralls": "npm run testCoverage && coveralls < coverage/lcov.info",
     "lint": "npm run lint:css && npm run lint:js",
     "lint:cached": "npm run lint:css && npm run lint:js:cached",
@@ -143,12 +143,12 @@
     "@parity/dapp-signaturereg": "paritytech/dapp-signaturereg",
     "@parity/dapp-tokendeploy": "paritytech/dapp-tokendeploy",
     "@parity/dapp-tokenreg": "paritytech/dapp-tokenreg",
+    "@parity/dapp-vaults": "paritytech/dapp-vaults",
     "@parity/dapp-web": "paritytech/dapp-web",
     "@parity/plugin-signer-account": "paritytech/plugin-signer-account",
     "@parity/plugin-signer-default": "paritytech/plugin-signer-default",
     "@parity/plugin-signer-hardware": "paritytech/plugin-signer-hardware",
     "@parity/plugin-signer-qr": "paritytech/plugin-signer-qr",
-    "@parity/dapp-vaults": "paritytech/dapp-vaults",
     "@parity/shared": "2.2.x",
     "@parity/ui": "2.2.x",
     "keythereum": "1.0.2",

js/src/ParityBar/parityBar.css

@@ -189,9 +189,9 @@ $modalZ: 10001;
 }
 
 .header {
-  /* height: 2em; */
-  padding: 0.5em 1em;
+  border-radius: 4px 4px 0 0;
   margin-bottom: 0;
+  padding: 0.5em 1em;
 
   &::after {
     clear: both;