Refactor/core qol adoption (#17655)

* Scripts: close every msg_info block with msg_ok

Past-tense msg_info calls that should have been msg_ok, notices that opened a block before a prompt, and blocks without a closing msg_ok. These already left a stale spinner; with core's block stack they would resume it after every later msg_ok.

* Generate passwords with random_password

openssl rand -base64 | tr -dc | head -c returned fewer characters than asked for, and the unfiltered | cut variants put / and + into passwords that end up in DSNs and sed expressions. Secrets an app decodes as base64 are unchanged. Requires community-scripts/core#61.

* Keep data directories through CLEAN_INSTALL instead of copying them

create_backup copied uploads, storage and similar directories twice per update and needed their size again in free space. CLEAN_INSTALL_KEEP moves them aside instead. Only directories the upstream release does not ship, in scripts that restored right after the fetch. Requires community-scripts/core#61.

* Drop the 300s uv timeout overrides

setup_uv exports UV_HTTP_TIMEOUT=600 now; the scripts' 300 only lowered it. Requires community-scripts/core#61.

tools/addon/phpmyadmin.sh

@@ -141,6 +141,7 @@ function install_phpmyadmin() {
   mkdir -p "$INSTALL_DIR"
   tar xf "$tarball" --strip-components=1 -C "$INSTALL_DIR"
   rm -f "$tarball"
+  msg_ok "Downloaded phpMyAdmin ${LATEST_VERSION}"
 }
 
 function configure_phpmyadmin() {
@@ -210,12 +211,12 @@ function uninstall_phpmyadmin() {
     $STD rc-service lighttpd stop
     $STD rc-service php-fpm stop
   fi
+  msg_ok "Stopped Webserver"
 
   msg_info "Removing phpMyAdmin directory"
   rm -rf "$INSTALL_DIR"
 
   if [[ "$OS" == "Alpine" ]]; then
-    msg_info "Removing Lighttpd config"
     rm -f /etc/lighttpd/lighttpd.conf
     $STD rc-service php-fpm restart
     $STD rc-service lighttpd restart