Fix errors reported by cspell GitLab CI job

Problem/Motivation

Currently the cspell GitLab CI job reports the following errors:

./tests/src/FunctionalJavascript/ParagraphsWidgetTest.php:77:15     - Unknown word (Fieldto)    -- $this->addFieldtoParagraphType($paragraph
	 Suggestions: [field, Field, fields, Fields, Field's]
./tests/src/Kernel/Entity/EntityFieldManagerTest.php:243:13    - Unknown word (inital)     -- // Test inital origin view modes of
	 Suggestions: [instal, initial, Initial, init, intl]
./tests/src/Unit/ViewModeSwitchTest.php:306:10    - Unknown word (barbaz)     -- 'barbaz',
	 Suggestions: [barbar, bazbaz, baba, barb, braz]
./tests/src/Unit/ViewModeSwitchTest.php:333:21    - Unknown word (targed)     -- * The expected targed view mode.
	 Suggestions: [tared, targe, tagged, tanged, target]
CSpell: Files checked: 55, Issues found: 4 in 3 files

These spellings should be fixed (or ignored where necessary).

Steps to reproduce

See current GitLab CI pipelines

Proposed resolution

• Fix spelling in module's code

Remaining tasks

• Create issue frk and MR to fix this issue

User interface changes

n/a

API changes

n/a

Data model changes

n/a