Handle GraphViz objects in storage and UI (#4855)

Summary:
Pull Request resolved: #4855

In [analysis_card_to_sqa](https://www.internalfb.com/code/fbsource/[f35aae2adf7e14e81702f0f3cd5584af5ce363fd]/fbcode/ax/storage/sqa_store/encoder.py?lines=1161-1171) we support every type of AnalysisCard except GraphViz. This diff has small additions to encoding and decoding for `GraphVizAnalysisCard` so `GenerationStrategyGraph` can be properly stored and rendered in the UI since currently it does not render:

 {F1985181889}

Reviewed By: Cesar-Cardoso

Differential Revision: D92208435

fbshipit-source-id: 36899db49dbb1ac2f9b03cbf8cd5cf9b4dfc0b0f

Author: eonofrey

ax/storage/sqa_store/decoder.py

@@ -13,6 +13,7 @@
 from typing import Any, Callable, cast, Union
 
 import pandas as pd
+from ax.analysis.graphviz.graphviz_analysis import GraphvizAnalysisCard
 from ax.analysis.healthcheck.healthcheck_analysis import HealthcheckAnalysisCard
 from ax.analysis.markdown.markdown_analysis import MarkdownAnalysisCard
 from ax.analysis.plotly.plotly_analysis import PlotlyAnalysisCard
@@ -1118,6 +1119,15 @@ def analysis_card_from_sqa(
                 blob=blob,
                 timestamp=analysis_card_sqa.timestamp,
             )
+        if blob_annotation == "graphviz":
+            return GraphvizAnalysisCard(
+                name=analysis_card_sqa.name,
+                title=title,
+                subtitle=subtitle,
+                df=read_json(StringIO(analysis_card_sqa.dataframe_json)),
+                blob=blob,
+                timestamp=analysis_card_sqa.timestamp,
+            )
         return AnalysisCard(
             name=analysis_card_sqa.name,
             title=title,

ax/storage/sqa_store/encoder.py

@@ -10,6 +10,7 @@
 from logging import Logger
 from typing import Any, cast
 
+from ax.analysis.graphviz.graphviz_analysis import GraphvizAnalysisCard
 from ax.analysis.healthcheck.healthcheck_analysis import HealthcheckAnalysisCard
 from ax.analysis.markdown.markdown_analysis import MarkdownAnalysisCard
 from ax.analysis.plotly.plotly_analysis import PlotlyAnalysisCard
@@ -1167,6 +1168,8 @@ def analysis_card_to_sqa(
             blob_annotation = "markdown"
         elif isinstance(card, HealthcheckAnalysisCard):
             blob_annotation = "healthcheck"
+        elif isinstance(card, GraphvizAnalysisCard):
+            blob_annotation = "graphviz"
         else:
             blob_annotation = "dataframe"