[RAPTOR-12602] update test pipeline (#1477)

Author: yakov-g

.harness/pipelines/test_functional_by_framework_multisteps/input_sets/default_on_pr_input.yaml

@@ -1,5 +1,6 @@
 inputSet:
   name: default_on_pr_input
+  tags: {}
   identifier: default_on_pr_input
   orgIdentifier: Custom_Models
   projectIdentifier: datarobotusermodels
@@ -10,6 +11,9 @@ inputSet:
         type: String
         value: datarobot-user-models
       - name: target_branch
+        type: String
+        value: <+trigger.targetBranch>
+      - name: source_branch
         type: String
         value: <+trigger.sourceBranch>
       - name: envs_parent_folders_to_include
@@ -18,10 +22,3 @@ inputSet:
       - name: force_requirements_upgrade
         type: String
         value: "false"
-    properties:
-      ci:
-        codebase:
-          build:
-            type: PR
-            spec:
-              number: <+trigger.prNumber>

.harness/test_functional_by_framework_multisteps.yaml

@@ -15,7 +15,10 @@ pipeline:
               - name: target_repo
                 type: String
                 value: <+pipeline.variables.target_repo>
-              - name: target_repo_branch
+              - name: target_repo_source_branch
+                type: String
+                value: <+pipeline.variables.source_branch>
+              - name: target_repo_target_branch
                 type: String
                 value: <+pipeline.variables.target_branch>
               - name: envs_parent_folders
@@ -230,6 +233,11 @@ pipeline:
       required: true
       value: <+input>
     - name: target_branch
+      type: String
+      description: Target branch (master, release/10.2)
+      required: false
+      value: <+input>
+    - name: source_branch
       type: String
       description: ""
       required: false