feat(CORE): docker permissions and rework (#13454)

- fix docker permissions with mounted volumes on new docker versions (https://github.com/docker/desktop-linux/issues/31)
- fix ac-tools image
- cleanup unused env
- add  `cap_add: SYS_NICE` to allow setting process high priority
- fix ccache in docker
- allow to switch between root user (default) to acore user in any container
- fix cache of the downloaded client data
- split docker github actions in 2 parts
- versioning mysql images
- performance improvements

apps/installer/utils.ts

@@ -0,0 +1,17 @@
+import * as path from "https://deno.land/std/path/mod.ts";
+import makeloc from "https://deno.land/x/dirname@1.1.2/mod.ts";
+
+const { __dirname } = makeloc(import.meta);
+
+// specify the needed paths here
+const ACORE_JSON = path.resolve(__dirname + "/../../acore.json");
+
+export async function getAcoreReleaseVersion() {
+  // read the acore.json file to work with the versioning
+  const decoder = new TextDecoder("utf-8");
+  //console.debug(`Open ${ACORE_JSON}`)
+  const data = await Deno.readFile(ACORE_JSON);
+  const acoreInfo = JSON.parse(decoder.decode(data));
+
+  return `AzerothCore Rev. ${acoreInfo.version}`;
+}