fix dockerfile in dev and remove chart rendering if data query is empty

.devcontainer/api.dockerfile

@@ -1,9 +1,9 @@
 # pulls community scripts from git repo
 FROM python:3.11.4-slim AS GET_SCRIPTS_STAGE
 
-RUN apt-get update &&
-apt-get install -y --no-install-recommends git &&
-git clone https://github.com/amidaware/community-scripts.git /community-scripts
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends git && \
+    git clone https://github.com/amidaware/community-scripts.git /community-scripts
 
 FROM python:3.11.4-slim
 
@@ -20,8 +20,8 @@ EXPOSE 8000 8383 8005
 RUN apt-get update && \
     apt-get install -y build-essential weasyprint
 
-RUN groupadd -g 1000 tactical &&
-useradd -u 1000 -g 1000 tactical
+RUN groupadd -g 1000 tactical && \
+    useradd -u 1000 -g 1000 tactical
 
 # copy community scripts
 COPY --from=GET_SCRIPTS_STAGE /community-scripts /community-scripts

api/tacticalrmm/ee/reporting/utils.py

@@ -526,6 +526,9 @@ def process_chart_variables(*, variables: Dict[str, Any]) -> Dict[str, Any]:
     if not isinstance(charts, dict):
         return variables
 
+    # these will be remove so they don't render in the template
+    invalid_chart_keys = []
+
     for key, chart in charts.items():
         options = chart.get("options")
         if not isinstance(options, dict):
@@ -546,6 +549,10 @@ def process_chart_variables(*, variables: Dict[str, Any]) -> Dict[str, Any]:
             if not path_exists:
                 continue
 
+            if not data:
+                invalid_chart_keys.append(key)
+                continue
+
             options["data_frame"] = data
 
         traces = chart.get("traces")
@@ -558,6 +565,9 @@ def process_chart_variables(*, variables: Dict[str, Any]) -> Dict[str, Any]:
             layout=layout,
         )
 
+    for key in invalid_chart_keys:
+        del charts[key]
+
     return variables