feat: change --freeze shorthand to -z

Author: Gustash

hyprshot

@@ -20,7 +20,7 @@ Options:
   -m, --mode                one of: output, window, region, active, OUTPUT_NAME
   -o, --output-folder       directory in which to save screenshot
   -f, --filename            the file name of the resulting screenshot
-  -F, --freeze              freeze the screen on initialization
+  -z, --freeze              freeze the screen on initialization
   -d, --debug               print debug information
   -s, --silent              don't send notification when screenshot is saved
   -r, --raw                 output raw image data to stdout
@@ -229,7 +229,7 @@ function parse_mode() {
 }
 
 function args() {
-    local options=$(getopt -o hf:o:m:dsFr:t: --long help,filename:,output-folder:,mode:,clipboard-only,debug,silent,freeze,raw,notif-timeout: -- "$@")
+    local options=$(getopt -o hf:o:m:dszr:t: --long help,filename:,output-folder:,mode:,clipboard-only,debug,silent,freeze,raw,notif-timeout: -- "$@")
     eval set -- "$options"
 
     while true; do
@@ -256,7 +256,7 @@ function args() {
             -d | --debug)
                 DEBUG=1
                 ;;
-            -F | --freeze)
+            -z | --freeze)
                 FREEZE=1
                 ;;
             -s | --silent)