fix for when there are no changes to the mode over the set period of time

src/bin/graphs/BinLevelOverTime.tsx

@@ -109,9 +109,9 @@ export default function BinLevelOverTime(props: Props) {
             })
           }
         });
+        let currentTime = moment().valueOf();
         if (data.length === 0) {
           let bushels = bin.bushels();
-          let currentTime = moment().valueOf();
           data.push({
             value: fertilizerBin
               ? Math.round(bushels * 35.239)
@@ -121,6 +121,13 @@ export default function BinLevelOverTime(props: Props) {
             timestamp: currentTime
           });
         }
+        if(modeData.length === 0){
+          modeData.push({
+            timestamp: currentTime,
+            value: 1,
+            fill: getFill(bin.settings.mode)
+          })
+        }
         setInventoryData(data);
         setModeData(modeData)
       })
@@ -206,6 +213,13 @@ export default function BinLevelOverTime(props: Props) {
             })
           }
         })
+        if(modeData.length === 0){
+          modeData.push({
+            timestamp: moment().valueOf(),
+            value: 1,
+            fill: getFill(bin.settings.mode)
+          })
+        }
         setModeData(modeData)
       })
       .catch(err => {