refactor: rename diamondStorage to _diamondStorage for consistency in DiamondLoupeFacet and ERC165Init

Author: dadadave80

src/facets/DiamondLoupeFacet.sol

@@ -15,7 +15,7 @@ contract DiamondLoupeFacet is IDiamondLoupe {
     /// @notice Gets all facet addresses and their function selectors.
     /// @return facets_ Facet
     function facets() external view returns (Facet[] memory facets_) {
-        DiamondStorage storage ds = LibDiamond.diamondStorage();
+        DiamondStorage storage ds = LibDiamond._diamondStorage();
         uint256 facetCount = ds.facetAddresses.length;
         facets_ = new Facet[](facetCount);
         for (uint256 i; i < facetCount;) {
@@ -37,21 +37,21 @@ contract DiamondLoupeFacet is IDiamondLoupe {
         override
         returns (bytes4[] memory facetFunctionSelectors_)
     {
-        facetFunctionSelectors_ = LibDiamond.diamondStorage().facetToSelectorsAndPosition[_facet].functionSelectors;
+        facetFunctionSelectors_ = LibDiamond._diamondStorage().facetToSelectorsAndPosition[_facet].functionSelectors;
     }
 
     /// @notice Get all the facet addresses used by a diamond.
     /// @return facetAddresses_
     function facetAddresses() external view override returns (address[] memory facetAddresses_) {
-        facetAddresses_ = LibDiamond.diamondStorage().facetAddresses;
+        facetAddresses_ = LibDiamond._diamondStorage().facetAddresses;
     }
 
     /// @notice Gets the facet that supports the given selector.
     /// @dev If facet is not found return address(0).
     /// @param _functionSelector The function selector.
     /// @return facetAddress_ The facet address.
     function facetAddress(bytes4 _functionSelector) external view override returns (address facetAddress_) {
-        facetAddress_ = LibDiamond.diamondStorage().selectorToFacetAndPosition[_functionSelector].facetAddress;
+        facetAddress_ = LibDiamond._diamondStorage().selectorToFacetAndPosition[_functionSelector].facetAddress;
     }
 
     /// @notice Query if a contract implements an interface
@@ -61,6 +61,6 @@ contract DiamondLoupeFacet is IDiamondLoupe {
     /// @return `true` if the contract implements `interfaceID` and
     ///  `interfaceID` is not 0xffffffff, `false` otherwise
     function supportsInterface(bytes4 _interfaceId) external view returns (bool) {
-        return LibDiamond.diamondStorage().supportedInterfaces[_interfaceId];
+        return LibDiamond._diamondStorage().supportedInterfaces[_interfaceId];
     }
 }

src/initializers/ERC165Init.sol

@@ -13,7 +13,7 @@ contract ERC165Init {
     /// @dev This function is called during the diamond cut process to set up
     ///      the initial state of the contract.
     function initERC165() external {
-        DiamondStorage storage ds = LibDiamond.diamondStorage();
+        DiamondStorage storage ds = LibDiamond._diamondStorage();
         /// @dev type(ERC165).interfaceId
         ds.supportedInterfaces[0x01ffc9a7] = true;
         /// @dev type(IERC173).interfaceId