Fix: Use unique session names for tmp env storage

Otherwise running multiple zide sessions at once conflicts with env var
values

bin/zide

@@ -115,6 +115,7 @@ fi
 
 # Export location of the zide project files for further use
 export ZIDE_DIR=$(dirname "$script_dir")
+export ZIDE_SESSION_NAME="session_$(date +%Y%m%d_%H%M%S)_$RANDOM"
 export ZIDE_FILE_PICKER=${picker:-${ZIDE_FILE_PICKER}}
 export ZIDE_CURRENT_LAYOUT="${layout}"
 export ZIDE_ORIGINAL_EDITOR="${EDITOR}"
@@ -123,7 +124,7 @@ export ZIDE_TAB_NAME="${name}"
 # Dump env vars to disk so they can be restored across tabs and panes
 tmpDir="${ZIDE_DIR}/tmp"
 mkdir -p "${tmpDir}"
-printenv | grep ZIDE_ | sed 's/^/export /; s/=/="/; s/$/"/' > "${tmpDir}/env"
+printenv | grep ZIDE_ | sed 's/^/export /; s/=/="/; s/$/"/' > "${tmpDir}/${ZIDE_SESSION_NAME}_env"
 
 layout_path="$ZIDE_DIR/layouts/$layout"
 if [ -n "$ZELLIJ" ]; then

bin/zide-edit

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-source "${ZIDE_DIR}/tmp/env"
+source "${ZIDE_DIR}/tmp/${ZIDE_SESSION_NAME}_env"
 source "${ZIDE_DIR}/bin/lib/getEditorCommand.sh"
 
 read -r -d '' HELP_TEXT << EOF

bin/zide-pick

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
+source "${ZIDE_DIR}/tmp/${ZIDE_SESSION_NAME}_env"
 source "${ZIDE_DIR}/bin/lib/findLayoutConfig.sh"
-source "${ZIDE_DIR}/tmp/env"
 
 read -r -d '' HELP_TEXT << EOF
 Usage: $(basename "$0") [OPTIONS] <working_dir>

bin/zide-rename

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-source "${ZIDE_DIR}/tmp/env"
+source "${ZIDE_DIR}/tmp/${ZIDE_SESSION_NAME}_env"
 
 read -r -d '' HELP_TEXT << EOF
 Usage: $(basename "$0") <name>