Fix two settings tab issues (#374)

src/Explorer/Controls/Settings/SettingsComponent.tsx

@@ -138,8 +138,8 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
 
     // Mongo container with system partition key still treat as "Fixed"
     this.isFixedContainer =
-      !this.collection.partitionKey ||
-      (this.container.isPreferredApiMongoDB() && this.collection.partitionKey.systemKey);
+      this.container.isPreferredApiMongoDB() &&
+      (!this.collection.partitionKey || this.collection.partitionKey.systemKey);
 
     this.state = {
       throughput: undefined,

src/Explorer/Controls/Settings/SettingsSubComponents/ThroughputInputComponents/ThroughputInputAutoPilotV3Component.tsx

@@ -427,7 +427,7 @@ export class ThroughputInputAutoPilotV3Component extends React.Component<
     event: React.FormEvent<HTMLInputElement | HTMLTextAreaElement>,
     newValue?: string
   ): void => {
-    const newThroughput = getSanitizedInputValue(newValue, this.autoPilotInputMaxValue);
+    const newThroughput = getSanitizedInputValue(newValue);
     this.props.onMaxAutoPilotThroughputChange(newThroughput);
   };
 
@@ -435,7 +435,7 @@ export class ThroughputInputAutoPilotV3Component extends React.Component<
     event: React.FormEvent<HTMLInputElement | HTMLTextAreaElement>,
     newValue?: string
   ): void => {
-    const newThroughput = getSanitizedInputValue(newValue, this.throughputInputMaxValue);
+    const newThroughput = getSanitizedInputValue(newValue);
     if (this.overrideWithAutoPilotSettings()) {
       this.props.onMaxAutoPilotThroughputChange(newThroughput);
     } else {

src/Explorer/Controls/Settings/SettingsUtils.tsx

@@ -101,13 +101,13 @@ export const parseConflictResolutionProcedure = (procedureFromBackEnd: string):
   return procedureFromBackEnd;
 };
 
-export const getSanitizedInputValue = (newValueString: string, max: number): number => {
+export const getSanitizedInputValue = (newValueString: string, max?: number): number => {
   const newValue = parseInt(newValueString);
   if (isNaN(newValue)) {
     return zeroValue;
   }
   // make sure new value does not exceed the maximum throughput
-  return Math.min(newValue, max);
+  return max ? Math.min(newValue, max) : newValue;
 };
 
 export const isDirty = (current: isDirtyTypes, baseline: isDirtyTypes): boolean => {