housekeeping: prevent log warning for missing getComponent in production

This is a force-pushed squash of two PR merges (#5919, #5940) that were
formerly present on master as individual commits.

Co-Authored-By: kyle shockey <kyleshockey@gmail.com>

src/core/json-schema-components.jsx

@@ -50,8 +50,15 @@ export class JsonSchemaForm extends Component {
       schema = schema.toJS()
 
     let { type, format="" } = schema
+    // In the json schema rendering code, we optimistically query our system for a number of components.
+    // If the component doesn't exist, we optionally suppress these warnings.
+    let getComponentSilently = (name) => getComponent(name, false, { failSilently: true })
+
+    let Comp = (format ? 
+      getComponentSilently(`JsonSchema_${type}_${format}`) :
+      getComponentSilently(`JsonSchema_${type}`)) ||
+      getComponentSilently("JsonSchema_string")
 
-    let Comp = (format ? getComponent(`JsonSchema_${type}_${format}`) : getComponent(`JsonSchema_${type}`)) || getComponent("JsonSchema_string")
     return <Comp { ...this.props } errors={errors} fn={fn} getComponent={getComponent} value={value} onChange={onChange} schema={schema} disabled={disabled}/>
   }