Fixed social plugin crash when only code font present

Author: kamilkrzyskow

material/plugins/social/plugin.py

@@ -388,7 +388,7 @@ def _load_font(self, config):
 
             # Retrieve from theme (default: Roboto)
             theme = config.theme
-            if theme["font"]:
+            if isinstance(theme["font"], dict) and "text" in theme["font"]:
                 name = theme["font"]["text"]
             else:
                 name = "Roboto"

src/plugins/social/plugin.py

@@ -388,7 +388,7 @@ def _load_font(self, config):
 
             # Retrieve from theme (default: Roboto)
             theme = config.theme
-            if theme["font"]:
+            if isinstance(theme["font"], dict) and "text" in theme["font"]:
                 name = theme["font"]["text"]
             else:
                 name = "Roboto"