Use fixed version 1.5.5 of perfect-scrollbar (#15279)

Fixes #15277, #15232

Contributed on behalf of STMicroelectronics

Signed-off-by: Thomas Mäder <[email protected]>

Author: tsmaeder

package-lock.json

@@ -59,7 +59,7 @@
     "markdown-it": "^12.3.2",
     "msgpackr": "^1.10.2",
     "p-debounce": "^2.1.0",
-    "perfect-scrollbar": "^1.5.5",
+    "perfect-scrollbar": "1.5.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-tooltip": "^4.2.21",

packages/core/package.json

@@ -38,7 +38,7 @@
     "@theia/workspace": "1.59.0",
     "ajv": "^6.5.3",
     "jsonc-parser": "^2.2.0",
-    "perfect-scrollbar": "^1.5.5",
+    "perfect-scrollbar": "1.5.5",
     "tslib": "^2.6.2"
   },
   "theiaExtensions": [