Workaround clearing to first when using occurence

Conditionally skip workaround involving positioning of popups
at proper position. Previously with `clearMultipleCursorsToFirstPosition`
enabled, and using occurence, it would clear to second instead
of first position.

Author: trkoch

lib/occurrence-manager.js

@@ -190,8 +190,10 @@ module.exports = class OccurrenceManager {
       // It is important to show autocomplete+ popup at proper position( popup shows up at last-selection ).
       // E.g. `c o f`(change occurrence in a-function) show autocomplete+ popup at closest occurrence.
       const closestRange = this.getClosestRangeForSelection(ranges, selection)
-      ranges.splice(ranges.indexOf(closestRange), 1) // remove
-      ranges.push(closestRange) // then push to last
+      if (!this.vimState.getConfig('clearMultipleCursorsToFirstPosition')) {
+        ranges.splice(ranges.indexOf(closestRange), 1) // remove
+        ranges.push(closestRange) // then push to last
+      }
 
       rangesToSelect.push(...ranges)
 

spec/occurrence-spec.coffee

@@ -1201,3 +1201,19 @@ describe "Occurrence", ->
         ensure null, mode: "normal", occurrenceText: []
         atom.confirm.andCallFake ({buttons}) -> buttons.indexOf("Continue")
         ensure "g o", mode: "normal", occurrenceText: ['oo', 'oo', 'oo', 'oo', 'oo']
+
+  describe "clearMultipleCursorsToFirstPosition setting", ->
+    beforeEach ->
+      settings.set('clearMultipleCursorsToFirstPosition', true)
+
+    it "clear multiple occurence cursors by respecting first cursor's position", ->
+      set
+        text: """
+        ooo: xxx: ooo:
+        xxx: ooo: xxx:
+        """
+        cursor: [0, 0]
+      ensure "c o a e", mode: 'insert', numCursors: 3
+      editor.insertText('===')
+      ensure "escape"
+      ensure "escape", mode: 'normal', numCursors: 1, cursor: [0, 2]