- npm: Update devDeps

- Fix: Enforce stylesheet ordering sequence
- Fix: Ensure SVG-edit hidden until stylesheets loaded
- Fix: Avoid abandoning stylesheet loading if one load fails

package-lock.json

@@ -2099,9 +2099,9 @@
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-      "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-3.7.0.tgz",
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+      "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-3.8.0.tgz",
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       "dev": true
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     "eslint-plugin-qunit": {
@@ -4169,9 +4169,9 @@
       }
     },
     "load-stylesheets": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/load-stylesheets/-/load-stylesheets-0.4.0.tgz",
-      "integrity": "sha512-TdQ1o1VoEeWHroccgJiQrH9q/ospM3gjEEJRgmYSzvtmdNDMeaKHMJGbrMh2XIIvBvST79e9ZZq4BXIjO6V/bw==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/load-stylesheets/-/load-stylesheets-0.5.0.tgz",
+      "integrity": "sha512-ij2m0dWH8BUPDgfzAJEyFjrfAlLUDg7Xme8okc7ruijjzBpNa0Eh+SzjdbxYtKW5hj+hid+otXCibUDYqz+NRA==",
       "dev": true
     },
     "locate-path": {
@@ -5369,9 +5369,9 @@
       }
     },
     "rollup": {
-      "version": "0.59.2",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.59.2.tgz",
-      "integrity": "sha512-lu+yLa4xXMccYCKCQLIcGp4Rw2ZefFvJJUjuGQuFhZpCtggwe4SI0RYq2mV9/YDwYFXBYB7z3HrSxq1tSnzjkw==",
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+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.59.4.tgz",
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       "dev": true,
       "requires": {
         "@types/estree": "0.0.39",
@@ -5751,9 +5751,9 @@
       }
     },
     "sinon-test": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/sinon-test/-/sinon-test-2.1.3.tgz",
-      "integrity": "sha512-8hGEAOj5maRRDhcWv81uAOmSZQwQXd+ymvB3h5NnwYDOQYRx1CFE/LORYI7T4mDgNpUJJ30ruu1pjN3+k34Vsw==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/sinon-test/-/sinon-test-2.2.0.tgz",
+      "integrity": "sha512-CWHb3fDDJZ9844ZwP3mWRw4XFdbyYyqhLHN+HegYtBwhMjeDgHA8/+YbN28A3zjgx1icHy1tMP/HCvQXptd3iw==",
       "dev": true
     },
     "slash": {