Fix the issue with assigning kernels to ops before registering kernels on macOS (#582)

* Fix the issue with assigning kernels to ops before registering kernels on macOS

* Auto update version

* Update changelog

* Remove unnecessary code comments

---------

Co-authored-by: Dev version update bot <github-actions[bot]@users.noreply.github.com>

Author: maliasadi

.github/CHANGELOG.md

@@ -82,6 +82,9 @@
 * Fix MPI Python unit tests for the adjoint method.
   [(#538)](https://github.com/PennyLaneAI/pennylane-lightning/pull/538)
 
+* Fix the issue with assigning kernels to ops before registering kernels on macOS
+  [(#582)](https://github.com/PennyLaneAI/pennylane-lightning/pull/582)
+
 ### Contributors
 
 This release contains contributions from (in alphabetical order):

pennylane_lightning/core/_version.py

@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.34.0-dev20"
+__version__ = "0.34.0-dev21"

pennylane_lightning/core/src/simulators/lightning_qubit/gates/DynamicDispatcher.hpp

@@ -105,11 +105,8 @@ template <typename PrecisionT> class DynamicDispatcher {
 
   private:
     std::unordered_map<std::string, GateOperation> str_to_gates_{};
-    std::unordered_map<std::string, ControlledGateOperation>
-        str_to_controlled_gates_{};
+
     std::unordered_map<std::string, GeneratorOperation> str_to_gntrs_{};
-    std::unordered_map<std::string, ControlledGeneratorOperation>
-        str_to_controlled_gntrs_{};
 
     std::unordered_map<std::pair<GateOperation, KernelType>, GateFunc, PairHash>
         gate_kernels_{};
@@ -122,6 +119,14 @@ template <typename PrecisionT> class DynamicDispatcher {
                        PairHash>
         matrix_kernels_{};
 
+    std::unordered_map<KernelType, std::string> kernel_names_{};
+
+    std::unordered_map<std::string, ControlledGateOperation>
+        str_to_controlled_gates_{};
+
+    std::unordered_map<std::string, ControlledGeneratorOperation>
+        str_to_controlled_gntrs_{};
+
     std::unordered_map<std::pair<ControlledGateOperation, KernelType>,
                        ControlledGateFunc, PairHash>
         controlled_gate_kernels_{};
@@ -134,8 +139,6 @@ template <typename PrecisionT> class DynamicDispatcher {
                        ControlledMatrixFunc, PairHash>
         controlled_matrix_kernels_{};
 
-    std::unordered_map<KernelType, std::string> kernel_names_{};
-
     DynamicDispatcher() {
         constexpr static auto gntr_names_without_prefix =
             Internal::generatorNamesWithoutPrefix();