[tests-only] separate different SharingNG share steps (#9097)

* separate When steps using root and permissions endpoints

test: separate resource sharing GIven step from space share

test: share space via root endpoint in Given steps

test: use existing step

test: fix more steps

* test: separate resource and space link share creation

test: fix php code style

tests/acceptance/features/apiSpacesDavOperation/copyByFileId.feature

@@ -186,7 +186,7 @@ Feature: copying file using file id
     And user "Alice" has created folder "folder/sub-folder"
     And user "Alice" has uploaded file with content "some data" to "/folder/sub-folder/test.txt"
     And we save it into "FILEID"
-    And user "Alice" has sent the following share invitation:
+    And user "Alice" has sent the following resource share invitation:
       | resource        | folder   |
       | space           | Personal |
       | sharee          | Brian    |
@@ -211,7 +211,7 @@ Feature: copying file using file id
   Scenario Outline: copy a file from personal to share space
     Given user "Brian" has been created with default attributes and without skeleton files
     And user "Alice" has created folder "/folder"
-    And user "Alice" has sent the following share invitation:
+    And user "Alice" has sent the following resource share invitation:
       | resource        | folder   |
       | space           | Personal |
       | sharee          | Brian    |
@@ -238,7 +238,7 @@ Feature: copying file using file id
     And user "Alice" has created folder "/folder"
     And user "Alice" has uploaded file with content "some data" to "/folder/test.txt"
     And we save it into "FILEID"
-    And user "Alice" has sent the following share invitation:
+    And user "Alice" has sent the following resource share invitation:
       | resource        | folder   |
       | space           | Personal |
       | sharee          | Brian    |