test: update code action show documentation test cases

Author: d-biehl

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-001-016-built-in_library].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-001-021-built-in_library].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-001-026-built-in_library].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-003-016-user_library].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-003-021-user_library].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-003-026-user_library].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-005-016-user_library_by_path_with_variable].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-005-031-user_library_by_path_with_variable].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-005-046-user_library_by_path_with_variable].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation

tests/robotcode/language_server/robotframework/parts/_regtest_outputs/rf41/test_code_action_show_documentation.test[code_action_show_documentation.robot-008-016-resource].out

@@ -14,5 +14,5 @@ result:
   disabled: null
   edit: null
   is_preferred: null
-  kind: source.openDocumentation
+  kind: !CodeActionKind 'SOURCE'
   title: Open Documentation