Add option to enable / disable sobject context on data export (#342)

## Describe your changes

Add option to enable / disable SObject type when data export from an
SObject.

## Issue ticket number and link
#341 

## Checklist before requesting a review
- [x] I have read and understand the [Contributions
section](https://github.com/tprouvot/Salesforce-Inspector-reloaded#contributions)
- [x] Target branch is releaseCandidate and not master
- [x] I have performed a self-review of my code
- [x] I ran the [unit
tests](https://github.com/tprouvot/Salesforce-Inspector-reloaded#unit-tests)
and my PR does not break any tests
- [x] I documented the changes I've made on the
[CHANGES.md](https://github.com/tprouvot/Salesforce-Inspector-reloaded/blob/master/CHANGES.md)
and followed actual conventions
- [x] I added a new section on
[how-to.md](https://github.com/tprouvot/Salesforce-Inspector-reloaded/blob/master/docs/how-to.md)
(optional)

CHANGES.md

@@ -2,6 +2,7 @@
 
 ## Version 1.23
 
+- Add an option to enable / disable SObject context on data export [issue 341](https://github.com/tprouvot/Salesforce-Inspector-reloaded/issues/341)
 - Remove Consumer key input from data export [issue 338](https://github.com/tprouvot/Salesforce-Inspector-reloaded/issues/338)
 - Customize extension's favicon [feature 197](https://github.com/tprouvot/Salesforce-Inspector-reloaded/issues/197)
 - Save default batch size and thread for data import [feature 329](https://github.com/tprouvot/Salesforce-Inspector-reloaded/issues/329) (feature request by [ritterblau](https://github.com/ritterblau))

addon/options.js

@@ -99,7 +99,8 @@ class OptionsTabSelector extends React.Component {
         title: "Data Export",
         content: [
           {option: CSVSeparatorOption, props: {key: 1}},
-          {option: Option, props: {type: "toggle", title: "Display Query Execution Time", key: "displayQueryPerformance", default: true}}
+          {option: Option, props: {type: "toggle", title: "Display Query Execution Time", key: "displayQueryPerformance", default: true}},
+          {option: Option, props: {type: "toggle", title: "Use SObject context on Data Export ", key: "useSObjectContextOnDataImportLink", default: true}}
         ]
       },
       {

addon/popup.js

@@ -94,7 +94,7 @@ class App extends React.PureComponent {
     exportArg.set("host", sfHost);
     importArg.set("host", sfHost);
     limitsArg.set("host", sfHost);
-    if (e.contextSobject) {
+    if (e.contextSobject && localStorage.getItem("useSObjectContextOnDataImportLink") !== "false") {
       let query = "SELECT Id FROM " + e.contextSobject;
       if (e.contextRecordId && (e.contextRecordId.length == 15 || e.contextRecordId.length == 18)) {
         query += " WHERE Id = '" + e.contextRecordId + "'";