Fix: Remove duplicate database refresh logic (Fabric). Add logging for collection fetching. (#2426)

* Remove duplicate database refresh logic. Add logging for collection fetching

* fix: Fix unit test

* fix: Update snapshots to include databasesRefreshed property

---------

Co-authored-by: Laurent Nguyen <languye@microsoft.com>

src/Explorer/Panes/AddGlobalSecondaryIndexPanel/__snapshots__/AddGlobalSecondaryIndexPanel.test.tsx.snap

@@ -146,6 +146,7 @@ exports[`AddGlobalSecondaryIndexPanel render default panel 1`] = `
         explorer={
           Explorer {
             "_isInitializingNotebooks": false,
+            "databasesRefreshed": Promise {},
             "isFixedCollectionWithSharedThroughputSupported": [Function],
             "isTabsContentExpanded": [Function],
             "onRefreshDatabasesKeyPress": [Function],

src/Explorer/Panes/GitHubReposPanel/__snapshots__/GitHubReposPanel.test.tsx.snap

@@ -18,6 +18,7 @@ exports[`GitHub Repos Panel should render Default properly 1`] = `
         {
           "container": Explorer {
             "_isInitializingNotebooks": false,
+            "databasesRefreshed": Promise {},
             "isFixedCollectionWithSharedThroughputSupported": [Function],
             "isTabsContentExpanded": [Function],
             "onRefreshDatabasesKeyPress": [Function],

src/Explorer/Panes/StringInputPane/__snapshots__/StringInputPane.test.tsx.snap

@@ -8,6 +8,7 @@ exports[`StringInput Pane should render Create new directory properly 1`] = `
   explorer={
     Explorer {
       "_isInitializingNotebooks": false,
+      "databasesRefreshed": Promise {},
       "isFixedCollectionWithSharedThroughputSupported": [Function],
       "isTabsContentExpanded": [Function],
       "onRefreshDatabasesKeyPress": [Function],