[Fixed] Property has no initializer and is not definitely assigned in the constructor angular

Property has no initializer and is not definitely assigned in the constructor angular 10/11/12

In angular 10+ to fix this problem you may follow the following steps:

1. Open tsconfig.json file.

2. Find compilerOptions

3. Add     "strictPropertyInitialization": false,

  

        "compilerOptions": {

                ......

            "strictPropertyInitialization": false

            ......

        }