chore: Remove usage of yq in favor of jq (#369)

* chore: Remove usage of `yq` in favor of `jq`

* fix: Missed bracket in `default-flatpaks`

* fix: `get_json_array` complaining about unpopulated arrays

* fix(files): Forgot to input `-r` flag for some `jq` calls

* fix(gschema-overrides): Use `try` in `get_json_array`

* chore(default-flatpaks): Replace `yq` with `jq` in run-time setup binaries

* chore: Switch to simplified `jq` syntax without brackets

* chore(default-flatpaks): Switch `repo-info` file from `yml` to `json`

* fix(default-flatpaks): Some `yq` calls

* chore: Revert back to bracket syntax for more reliable `jq` parsing

* chore(files): Missed bracket syntax

* chore: Approve bot suggestion about quoting

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Update modules/files/files.sh

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* fix(yafti): Populating custom flatpaks

It's populated in reverse order compared to the format in recipe, but it works

* fix(fonts): Variable substitution is needed

* fix: Typo

* fix(fonts): Forgot to assign FONTS variable

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

modules/yafti/yafti.sh

@@ -55,11 +55,16 @@ YAFTI_FILE="${FIRSTBOOT_DATA}/yafti.yml"
 get_yaml_array FLATPAKS '.custom-flatpaks[]' "$1"
 if [[ ${#FLATPAKS[@]} -gt 0 ]]; then
     echo "Adding Flatpaks to yafti.yml"
-    yq -i '.screens.applications.values.groups.Custom.description = "Flatpaks suggested by the image maintainer."' "${YAFTI_FILE}"
-    yq -i '.screens.applications.values.groups.Custom.default = true' "${YAFTI_FILE}"
+    sed -i -e '/- Boatswain for Streamdeck: com.feaneron.Boatswain/a \
+        Custom:\n          description: Flatpaks suggested by the image maintainer.\n          default: true' "${YAFTI_FILE}"
 
     for pkg in "${FLATPAKS[@]}"; do
         echo "Adding to yafti: ${pkg}"
-        yq -i ".screens.applications.values.groups.Custom.packages += [$pkg]" "${YAFTI_FILE}"
+        sed -i '/^[[:space:]]*Custom:/ { 
+        n; n; n; 
+        i\
+            - REPLACEMEHERE
+    }' "${YAFTI_FILE}"    
+        sed -i "s/            - REPLACEMEHERE/            - ${pkg}/g" "${YAFTI_FILE}"
     done
 fi