[PSUPCLPL-9491] Masked templates in plugins breakage

[ilia1243]

Description

Masked templates (*) in plugins installation procedure process only the first found file.

Solution

Breakage after #74. Installation procedure returns after first processed file. Revert the change.

How to apply

Reproduced for new installed plugins.

Test Cases

TestCase 1

Test Configuration:

• Hardware: Any
• OS: Any
• Inventory: any plugin with template installation procedure type, whose source is masked (*) and identifies two or more files.
  Steps:

1. Run install.

Results:

Before	After
Only one file identified by source is applied	All files identified by source are applied

Checklist

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Integration CI passed
• Unit tests. If Yes list of new/changed tests with brief description
• There is no merge conflicts

Unit tests

Changed TestTemplate.test_apply_template. Now it counts all applied files and verifies them.

Reviewers

@koryaga @iLeonidze @Zaborin @alexarefev @Yaroslav-Lahtachev @dmyar21