fix a typo in remote-git-url => icon conversion (bitbucket was shows as github); see #808

internal/p10k.zsh

@@ -3605,7 +3605,7 @@ function _p9k_vcs_icon() {
   case "$VCS_STATUS_REMOTE_URL" in
     *github*)    _p9k__ret=VCS_GIT_GITHUB_ICON;;
     *bitbucket*) _p9k__ret=VCS_GIT_BITBUCKET_ICON;;
-    *stash*)     _p9k__ret=VCS_GIT_GITHUB_ICON;;
+    *stash*)     _p9k__ret=VCS_GIT_BITBUCKET_ICON;;
     *gitlab*)    _p9k__ret=VCS_GIT_GITLAB_ICON;;
     *)           _p9k__ret=VCS_GIT_ICON;;
   esac
@@ -3692,13 +3692,8 @@ function _p9k_vcs_render() {
 
       # It's weird that removing vcs-detect-changes from POWERLEVEL9K_VCS_GIT_HOOKS gets rid
       # of the GIT icon. That's what vcs_info does, so we do the same in the name of compatiblity.
-      case "$VCS_STATUS_REMOTE_URL" in
-        *github*)    icon=VCS_GIT_GITHUB_ICON;;
-        *bitbucket*) icon=VCS_GIT_BITBUCKET_ICON;;
-        *stash*)     icon=VCS_GIT_GITHUB_ICON;;
-        *gitlab*)    icon=VCS_GIT_GITLAB_ICON;;
-        *)           icon=VCS_GIT_ICON;;
-      esac
+      _p9k_vcs_icon
+      icon=$_p9k__ret
     fi
 
     : ${state:=CLEAN}