Merge branch 'bugfix/install_fish_guess_idf_path' into 'master'

tools: install.fish: Modify method to get base directory (Github PR)

Closes IDFGH-4926

See merge request espressif/esp-idf!13105

install.fish

@@ -1,6 +1,6 @@
 #!/usr/bin/env fish
 
-set basedir $PWD
+set basedir (realpath (dirname (status -f)))
 
 set -x IDF_PATH $basedir